Dialects and Readings of the Qur'an (Kitab Al-Huruf Wa Al-Qira'at)
Dawud :: Book 30 : Hadith 3987
Narrated AbuSa'id al-Khudri:
The Apostle of Allah (peace_be_upon_him) related a tradition in which he mentioned the words "Jibril and Mikal" and he pronounced them "Jibra'ila wa Mika'ila."