Gaya APA

Grenz, J, S., Roger, O, E. (1992). Twentieth (20Th) Century theology : God & the world in a trasitional age (Trawas) . America: InterVarsityPress.

Gaya MLA

Grenz, J, Stanley., Roger, Olson, E. "Twentieth (20Th) Century theology : God & the world in a trasitional age (Trawas)". America: InterVarsityPress, 1992. Text.