APA (7e ed.) Bronvermelding
Beesly, P. (1977). Very special intelligence: The story of the Admiralty's Operational Intelligence Centre, 1939-1945. Hamish Hamilton.
Chicago (17e ed.) Bronvermelding
Beesly, Patrick. Very Special Intelligence: The Story of the Admiralty's Operational Intelligence Centre, 1939-1945. London: Hamish Hamilton, 1977.
MLA (9e ed.) Bronvermelding
Beesly, Patrick. Very Special Intelligence: The Story of the Admiralty's Operational Intelligence Centre, 1939-1945. Hamish Hamilton, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.