Ritonga, A. (1999). Fiqh muamalah. Penerbit Edaran Kalam.
Chicago Style (17th ed.) CitationRitonga, A.Rahamn. Fiqh Muamalah. Selangor: Penerbit Edaran Kalam, 1999.
MLA (9th ed.) CitationRitonga, A.Rahamn. Fiqh Muamalah. Penerbit Edaran Kalam, 1999.
Warning: These citations may not always be 100% accurate.