Nehls, G. (1988). The Great commission, you and the muslims. SIM International.
Citazione stile Chigago Style (17a edizione)Nehls, Gerhard. The Great Commission, You and the Muslims. Bellville: SIM International, 1988.
Citatione MLA (9a ed.)Nehls, Gerhard. The Great Commission, You and the Muslims. SIM International, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.