كتاب المناسك
10  
The Rites of Pilgrimage
(2a)
Chapter: The ihram and the talbiya - Section 1
(1)
باب الإحرام والتلبية - الفصل الأول
Mishkat al-Masabih 2546
Ibn ‘Umar said that at the Farewell Pilgrimage God’s messenger performed the ‘umra first and the hajj later (The phrase used is tamata'a bil-’umra ilal-hajj which indicates gaining the advantage of the ‘umra and waiting till the time for the hajj comes without requiring to wear the ihram during the intervening period. It is a difficult phrase to translate, and therefore one can only indicate its general meaning in a translation), raising his voice in the talbiya first for the 'umra and afterwards for the hajj. Bukhari and Muslim.
وَعَنِ ابْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُمَا قَالَ: تَمَتَّعَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فِي حَجَّةِ الْوَدَاعِ بِالْعُمْرَةِ إِلَى الْحَجِّ بدأَ فأهلَّ بالعمْرةِ ثمَّ أهلَّ بالحجّ
  مُتَّفَقٌ عَلَيْهِ   (الألباني) حكم   :
Reference : Mishkat al-Masabih 2546
In-book reference : Book 10, Hadith 40