Gaya APA

Schaeffer, F, A. (1977). The Church at The end of the 20th Century (Cetakan 7). United States of America: Inter-Varsity Press.

Gaya MLA

Schaeffer, Francies, A.. "The Church at The end of the 20th Century". Cetakan 7 United States of America: Inter-Varsity Press, 1977. Text.