5693An NasaiDa'if(Darussalam)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.It was narrated from Al-Hasan thathe disliked to hire a man without telling him what his wages would be.Reference: Sunan an-Nasa'i 3858 In-book : Book 35b, Hadith 2 English translation : Vol. 4, Book 35, Hadith 3889