Gaya APA
David, S., Shirley, W, . (2007).
Ketika Kebenaran Dipertanyakan (Trawas) .
Grand Rapids:
Discovery House Publishers.
Gaya MLA
David, Sper., Shirley, Wirawan, .
"Ketika Kebenaran Dipertanyakan (Trawas)".
Grand Rapids:
Discovery House Publishers,
2007.
Text.