Gaya APA

Wellhausen, J., Ostle, R. (1975). the Religio-political factions in early Islam : Julius Wellhausen; Editor: RC. Ostle (cet. 1). Amsterdam: North-Holand.

Gaya MLA

Wellhausen, Julius., Ostle, RC.. "the Religio-political factions in early Islam : Julius Wellhausen; Editor: RC. Ostle". cet. 1 Amsterdam: North-Holand, 1975. Buku.