Olisah, O. (1950). The statements of Hitler before the world war: Drama: his last words and disappearance. Published by Okenwa Publications.
Čikaški stil citiranja (17. izdanje)Olisah, Okenwa. The Statements of Hitler Before the World War: Drama: His Last Words and Disappearance. Onitsha [Nigeria]: Published by Okenwa Publications, 1950.
MLA način citiranja (8. izdanje)Olisah, Okenwa. The Statements of Hitler Before the World War: Drama: His Last Words and Disappearance. Published by Okenwa Publications, 1950.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.