Abd El-Hamid Hassan Ali, M. & Ibrahim Ali Hassan, H. (2010). Directing some biomechanical indicators to improving heading ball from flying position of soccer players. World Journal of Sport Sciences, 3 (S), 1097-1105. Zugriff am 24.08.2011 unter http://www.idosi.org/wjss/3%28S%2910/128.pdf
APA-Zitierstil (7. Ausg.)Abd El-Hamid Hassan Ali, M., & Ibrahim Ali Hassan, H. (2010). Directing some biomechanical indicators to improving heading ball from flying position of soccer players. World Journal of Sport Sciences, 3(S), 1097-1105.
Chicago-Zitierstil (17. Ausg.)Abd El-Hamid Hassan Ali, M., und H. Ibrahim Ali Hassan. "Directing Some Biomechanical Indicators to Improving Heading Ball from Flying Position of Soccer Players." World Journal of Sport Sciences 3, no. S (2010): 1097-1105.
MLA-Zitierstil (9. Ausg.)Abd El-Hamid Hassan Ali, M., und H. Ibrahim Ali Hassan. "Directing Some Biomechanical Indicators to Improving Heading Ball from Flying Position of Soccer Players." World Journal of Sport Sciences, vol. 3, no. S, 2010, pp. 1097-1105.