APA (7e ed.) Bronvermelding

Biskupski. The Most Dangerous German Agent in America. Cornell University Press.

Chicago (17e ed.) Bronvermelding

Biskupski. The Most Dangerous German Agent in America. Cornell University Press.

MLA (9e ed.) Bronvermelding

Biskupski. The Most Dangerous German Agent in America. Cornell University Press.

Let op: Deze citaties zijn niet altijd 100% accuraat.