حَدَّثَنَا ابْنُ السَّرْحِ، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي مَالِكٌ، عَنْ أَبِي الأَسْوَدِ، بِإِسْنَادِهِ مِثْلَهُ زَادَ فَأَمَّا مَنْ أَهَلَّ بِعُمْرَةٍ فَأَحَلَّ ‏.‏

The aforesaid tradition has also been narrated by Abu al-Aswad through a different chain of narrators. This version adds he who raises his voice in talbiyah for `Umrah (and wearing Ihram for it) should put off Ihram after performing `Umrah. Translation Not Available

Book Ref: Sunan Abi Dawud Book 11 Hadith 1780
Web Ref:  Sunan Abi Dawud Book 10 Hadith 1776