Musnad Abu Ya'la al-Mawsili 150:258

'Uqbah ibn Mukram narrated to us, Yunus ibn Bukayr narrated to us, Muhammad ibn Ishaq narrated to us, from Nafi', from Ibn 'Umar, who said: I heard 'Umar ibn al-Khattab at Mina saying: "O people, the departure is tomorrow, so let no one depart until he performs Tawaf around the House, for the end of the rites is the Tawaf."