(74) باب النَّهْىِ عَنْ بَيْعِ الثُّنْيَا، حَتَّى تُعْلَمَ
It was narrated from Jabir that:
the Prophet forbade Muhaqalah, Muzahanah, Mukhabarah and selling with an exception unless it is defined. (ID)
Reference (ID): Sunan an-Nasa'i 4633 (ID)
In-book reference (ID): Book 44, Hadith 185 (ID)
English translation (ID): Vol. 5, Book 44, Hadith 4637 (ID)