سُنَنُ أَبِي دَاوُدَ
Sunan Abi Dawud 895
Prayer (Kitab Al-Salat)
Prostrating On The Nose And Forehead
حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى، حَدَّثَنَا عَبْدُ الرَّزَّاقِ، عَنْ مَعْمَرٍ، نَحْوَهُ .
The above mentioned tradition has also been transmitted by Ma’mar through a different chain of narrators to the same effect.
Sunan Abi Dawud, 895