(en) Ben Hutcherson et Ross Haenfler, Studies in Symbolic Interaction, Emerald Group Publishing, , 103–104 p. (ISBN9780857243614, lire en ligne), « Music Genre as a Gendered Process: Authenticity in Extreme Metal ».
(en) Anees A. Sheikh, Imagery in sports and physical performance, Baywood Publishing Company, , 258 p. (ISBN0-89503-080-2, lire en ligne), p. 161–164.