ISBN 978-1-4214-1259-7. ↑ Pronger, B. (1990), The Arena of Masculinity: Sports, Homosexuality, and the Meaning of Sex, New York, St Martin's Press. ISBN 978-0312062934 ↑ The World Book Dictionary (1976 Edition), Chicago, IL, Doubleday & Company, Inc., pp. 376 and 1951. ISBN 978-0-5290-5326-8. ↑ Steinmetz, K. (2015).