Portas, M. D., Harley, J. A., Barnes, C. A. & Rush, C. J. (2010). The validity and reliability of 1-Hz and 5-Hz global positioning systems for linear, multidirectional, and soccer-specific activities. International Journal of Sports Physiology and Performance, 5 (4), 448 -458. Zugriff am 22.02.2011 unter http://journals.humankinetics.com/ijspp-current-issue/ijspp-volume-5-issue-4-december/the-validity-and-reliability-of-1-hz-and-5-hz-global-positioning-systems-for-linear-multidirectional-and-soccer-specific-activities
APA-Zitierstil (7. Ausg.)Portas, M. D., Harley, J. A., Barnes, C. A., & Rush, C. J. (2010). The validity and reliability of 1-Hz and 5-Hz global positioning systems for linear, multidirectional, and soccer-specific activities. International Journal of Sports Physiology and Performance, 5(4), 448 -458.
Chicago-Zitierstil (17. Ausg.)Portas, M. D., J. A. Harley, C. A. Barnes, und C. J. Rush. "The Validity and Reliability of 1-Hz and 5-Hz Global Positioning Systems for Linear, Multidirectional, and Soccer-specific Activities." International Journal of Sports Physiology and Performance 5, no. 4 (2010): 448 -458.
MLA-Zitierstil (9. Ausg.)Portas, M. D., et al. "The Validity and Reliability of 1-Hz and 5-Hz Global Positioning Systems for Linear, Multidirectional, and Soccer-specific Activities." International Journal of Sports Physiology and Performance, vol. 5, no. 4, 2010, pp. 448 -458.