Sands, W. A. & McNeal, J. R. (2002, 15. May). A kinematic comparison of four abdominal training devices and a traditional abdominal crunch. Zugriff unter https://www.ncbi.nlm.nih.gov/pubmed/11834119
APA-Zitierstil (7. Ausg.)Sands, W. A., & McNeal, J. R. (2002). A kinematic comparison of four abdominal training devices and a traditional abdominal crunch. The Journal of Strength and Conditioning Research, 16(1), 135-141.
Chicago-Zitierstil (17. Ausg.)Sands, W. A., und J. R. McNeal. "A Kinematic Comparison of Four Abdominal Training Devices and a Traditional Abdominal Crunch." The Journal of Strength and Conditioning Research 16, no. 1 (2002): 135-141.
MLA-Zitierstil (9. Ausg.)Sands, W. A., und J. R. McNeal. "A Kinematic Comparison of Four Abdominal Training Devices and a Traditional Abdominal Crunch." The Journal of Strength and Conditioning Research, vol. 16, no. 1, 2002, pp. 135-141.