Sahih Bukhari
Distribution of Water
Volume: 003 / Book Number: 040 / Hadith Number: 569
Narrated Rafi 'bin Khadij and Sahl bin Al Hathma:
Allah's Apostle forbade the sale of Muzabana, i.e. selling of fruits for fruits, except in the case of 'Araya; he allowed the owners of 'Araya such kind of sale.