Ruthven , M. (1991). Islam in the World (ed.). Penhguins books.
Chicago Style (17th ed.) CitationRuthven , Malise. Islam in the World. ed. Penhguins books, 1991.
MLA引文Ruthven , Malise. Islam in the World. ed. Penhguins books, 1991.
警告:這些引文格式不一定是100%准確.