APA-referens (7:e uppl.)

Olisah, O. (1950). The statements of Hitler before the world war: Drama: his last words and disappearance. Published by Okenwa Publications.

Chicago-referens (17:e uppl.)

Olisah, Okenwa. The Statements of Hitler Before the World War: Drama: His Last Words and Disappearance. Onitsha [Nigeria]: Published by Okenwa Publications, 1950.

MLA-referens (8:e uppl.)

Olisah, Okenwa. The Statements of Hitler Before the World War: Drama: His Last Words and Disappearance. Published by Okenwa Publications, 1950.