Fleming, P. (1957). Invasion 1940: An account of the German preparations and the British counter-measures. Hart-Davis.
Chicago-referens (17:e uppl.)Fleming, Peter. Invasion 1940: An Account of the German Preparations and the British Counter-measures. London: Hart-Davis, 1957.
MLA-referens (8:e uppl.)Fleming, Peter. Invasion 1940: An Account of the German Preparations and the British Counter-measures. Hart-Davis, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.