Musnad Abu Ya'la al-Mawsili 109:170

Abu Ali Mujahid ibn Musa narrated to us, Ahmad ibn Abdullah ibn Yunus narrated to us, Zuhayr narrated to us, from Abu al-Zubayr, from Jabir, who said: The Messenger of Allah (peace be upon him) said: "A resident shall not sell for a bedouin. Leave the people alone; Allah provides for some of them through others."