Cita APA (7th ed.)
Beesly, P. (1977). Very special intelligence: The story of the Admiralty's Operational Intelligence Centre, 1939-1945. Hamish Hamilton.
Cita Chicago (17th ed.)
Beesly, Patrick. Very Special Intelligence: The Story of the Admiralty's Operational Intelligence Centre, 1939-1945. London: Hamish Hamilton, 1977.
Cita MLA (9th ed.)
Beesly, Patrick. Very Special Intelligence: The Story of the Admiralty's Operational Intelligence Centre, 1939-1945. Hamish Hamilton, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.