Sahih (Sahih Muslim)
وَحَدَّثَنَاهُ أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، ح وَحَدَّثَنَا ابْنُ نُمَيْرٍ، حَدَّثَنَا أَبِي، كِلاَهُمَا عَنْ مَالِكِ بْنِ مِغْوَلٍ، بِهَذَا الإِسْنَادِ . مِثْلَهُ غَيْرَ أَنَّ فِي حَدِيثِ وَكِيعٍ قُلْتُ فَكَيْفَ أُمِرَ النَّاسُ بِالْوَصِيَّةِ وَفِي حَدِيثِ ابْنِ نُمَيْرٍ قُلْتُ كَيْفَ كُتِبَ عَلَى الْمُسْلِمِينَ الْوَصِيَّةُ
This hadith has been narrated on the authority of Malik b. Mighwal with the same chain of transmitters but with a slight variation of words. In the hadith related by Waki (the words are)" I said:How the people have been ordered about the will" ; and in the hadith of Ibn Numair (the words are):" How the will has been prescribed for the Muslims