Usaj, A & Douvillard, S. P. (1999, 26. August). The verification of the method for prescribing training intensity of endurance running. Zugriff unter https://coachsci.sdsu.edu/csa/vol46/usaj.htm
APA-Zitierstil (7. Ausg.)Usaj, A., & Douvillard, S. P. (1997). The verification of the method for prescribing training intensity of endurance running. Medicine & Science in Sports & Exercise.
Chicago-Zitierstil (17. Ausg.)Usaj, A., und S. P. Douvillard. "The Verification of the Method for Prescribing Training Intensity of Endurance Running." Medicine & Science in Sports & Exercise 1997.
MLA-Zitierstil (9. Ausg.)Usaj, A., und S. P. Douvillard. "The Verification of the Method for Prescribing Training Intensity of Endurance Running." Medicine & Science in Sports & Exercise, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.