Sahih Muslim | Book 10 | Hadith Number 3651

Narrated by Abu Huraira (Allah be pleased with him)
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (may peace be upon him) as saying: He who bought food-grain should not sell it until he had measured it. In the narration of Abu Bakr there the word is Ibta' instead of Ishtara.