Soons, B, Colman, V, Silva, A, Sanders, R & Persyn, U. (2009, 12. March). Reduction of velocity fluctuation and improvement of performance by undulating in breaststroke. Zugriff unter http://www.profedf.ufpr.br/reducing%20of%20vel%20fluctuation%20anf%20improv%20of%20prformance%20by%20ondulation.pdf
APA-Zitierstil (7. Ausg.)Soons, B., Colman, V., Silva, A., Sanders, R., & Persyn, U. Reduction of velocity fluctuation and improvement of performance by undulating in breaststroke. coachesinfo.com.
Chicago-Zitierstil (17. Ausg.)Soons, B., V. Colman, A. Silva, R. Sanders, und U. Persyn. "Reduction of Velocity Fluctuation and Improvement of Performance by Undulating in Breaststroke." Coachesinfo.com .
MLA-Zitierstil (9. Ausg.)Soons, B., et al. "Reduction of Velocity Fluctuation and Improvement of Performance by Undulating in Breaststroke." Coachesinfo.com, .