Dyfyniad APA
Nehls, G. (1989). Islam: Believed, evaluated, presented. Life Challenge (Africa).
Dyfyniad Arddull Chicago
Nehls, Gerhard. Islam: Believed, Evaluated, Presented. Bellville: Life Challenge (Africa), 1989.
Dyfyniad MLA
Nehls, Gerhard. Islam: Believed, Evaluated, Presented. Life Challenge (Africa), 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.