Gaya APA

Vol.17, G, E, O, K. (1993). Grolier encyclopedia of knowledge Vol.17 / Grolier Incorporated . : .

Gaya MLA

Vol.17, Grolier, Encyclopedia, Of, Knowledge. "Grolier encyclopedia of knowledge Vol.17 / Grolier Incorporated". : , 1993. Hukum Ekonomi Syariah (Mua'malah).