Football is a gentleman's game played by thugs and rugby is a game for thugs played by gentlemenHenderson, Charlie «When is a fight not a fight?» (en anglès). BBC, 15-06-2005 [Consulta: 21 novembre 2008].
Dunning, Eric; Sheard, Kenneth. Barbarians, Gentlemen and Players: A Sociological Study of the Development of Rugby Football. 2nd, illustrated, revised. Psychology Press, 2005, p. 105–106. ISBN 978-0-7146-5353-2.
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«Rugby league» (en anglès). Arxivat de l'original el 2008-01-15. [Consulta: 20 agost 2009].
