Poortmans, J. R., Engels, M. F., Sellier, M & Leclearcq, R. (1991). Urine protein excretion and swimming events. Medicine & Science in Sports & Exercise, 23 (7), 831-835.
APA-Zitierstil (7. Ausg.)Poortmans, J. R., Engels, M. F., Sellier, M., & Leclearcq, R. (1991). Urine protein excretion and swimming events. Medicine & Science in Sports & Exercise, 23(7), 831-835.
Chicago-Zitierstil (17. Ausg.)Poortmans, J. R., M. F. Engels, M. Sellier, und R. Leclearcq. "Urine Protein Excretion and Swimming Events." Medicine & Science in Sports & Exercise 23, no. 7 (1991): 831-835.
MLA-Zitierstil (9. Ausg.)Poortmans, J. R., et al. "Urine Protein Excretion and Swimming Events." Medicine & Science in Sports & Exercise, vol. 23, no. 7, 1991, pp. 831-835.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.