Sunan Abi Dawud — Commercial Transactions (Kitab Al-Buyu) — Hadith No: 3411
Translation
The tradition mentioned above has also been narrated by Ja'far b. Burqan through his chain and to the same effect. This version has:He said: He assessed, and after the words of kull safara' wa baida', he said: that is, gold and silver will belong to him