Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:3858 – Muḥammad > Ḥibbān > ʿAbdullāh > Ḥammād b. Salamah > Yūnus > al-Ḥasan > Karih

It was narrated from Al-Hasan that he disliked to hire a man without telling him what his wages would be.  

النسائي:٣٨٥٨ – أَخْبَرَنَا مُحَمَّدٌ قَالَ أَنْبَأَنَا حِبَّانُ قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ عَنْ حَمَّادِ بْنِ سَلَمَةَ عَنْ يُونُسَ عَنِ الْحَسَنِ أَنَّهُ كَرِهَ

أَنْ يَسْتَأْجِرَ الرَّجُلَ حَتَّى يُعْلِمَهُ أَجْرَهُ  

See similar narrations below:

Collected by Nasāʾī's Kubrá
nasai-kubra:4657 – Muḥammad b. Ḥātim > Sūwayd > ʿAbdullāh > Ḥammād b. Salamah > Yūnus > al-Ḥasan > Karih

It was narrated from Al-Hasan that he disliked to hire a man without telling him what his wages would be. (Using translation from Nasāʾī 3858)  

الكبرى للنسائي:٤٦٥٧ – أَخْبَرَنَا مُحَمَّدُ بْنُ حَاتِمٍ أَخْبَرَنَا سُوَيْدٌ أَخْبَرَنَا عَبْدُ اللهِ عَنْ حَمَّادِ بْنِ سَلَمَةَ عَنْ يُونُسَ عَنِ الْحَسَنِ أَنَّهُ «§كَرِهَ

أَنْ يُسْتَأْجَرَ الرَّجُلُ حَتَّى يُعْلِمَهُ أَجْرَهُ»  

nasai-kubra:11751 – Muḥammad b. Ḥātim > Sūwayd b. Naṣr > ʿAbdullāh > Ḥammād b. Salamah > Yūnus > al-Ḥasan > Karih

It was narrated from Al-Hasan that he disliked to hire a man without telling him what his wages would be. (Using translation from Nasāʾī 3858)  

الكبرى للنسائي:١١٧٥١ – عَنْ مُحَمَّدِ بْنِ حَاتِمٍ عَنْ سُوَيْدِ بْنِ نَصْرٍ عَنْ عَبْدِ اللهِ عَنْ حَمَّادِ بْنِ سَلَمَةَ عَنْ يُونُسَ عَنِ الْحَسَنِ «أَنَّهُ §كَرِهَ

أَنْ يَسْتَأْجِرَ الرَّجُلَ حَتَّى يُعْلِمَهُ أَجْرَهُ»