Hoberman, J. M. (1999). Primacy of performance: Superman not superathlete. The international journal of the history of sport, 16(2), S. 69-85. doi:10.1080/09523369908714071

Hoberman, John Milton. "Primacy of Performance: Superman Not Superathlete." The International Journal of the History of Sport 16, no. 2 (1999): S. 69-85.

Hoberman, John Milton. "Primacy of Performance: Superman Not Superathlete." The International Journal of the History of Sport 16.2 (1999): S. 69-85.