Musannaf Ibn Abi Shayba 13:2083

Abu Bakr narrated to us, he said: Waki’ narrated to us, from Sufyan, from al-A’mash, from Ibrahim; and from Sufyan, from Isma’il ibn Abi Khalid, from al-Sha’bi; and from Sufyan, from Jabir, from al-Qasim: They said: There is no harm in *al-‘inah* (a type of credit sale).