Eintrag shotgun / noun, Bedeutung 2. In: Eric Partridge, Tom Dalzell, Terry Victor: The Concise New Partridge Dictionary of Slang and Unconventional English. Routledge, New York 2007, ISBN 9780415212595, S. 579.
Mia Balwyn: Australian Woman's Survival Guide. Murdoch Books, 2007, ISBN 9781921259968, S. 71.
P. R. Kelt: Physics for Men. Adams Media, Avon MA 2012, ISBN 9781440526947, S. 54.
P. Balachandran: Engineering fluid mechanics. PHI Learning, New Delhi 2012, ISBN 9788120340725, S. 370–373.
