Sahih Muslim
The Book of Transactions (Kitab Al-Buyu)
Book Number: 010 / Hadith Number: 3696
Ibn 'Umar (Allah be pleased with them) reported Allah's Messenger (may peace be upon him) having forbidden Muzabana, and Muzabana is the selling of dry dates by measure for fresh dates and the selling of raisins by measure for grapes and selling of all Ports of fruits on the basis of calculation.