Whiting, W. C., Rugg, S, Coleman, A & Vincent, W. J. (1999). Muscle activity during sit-ups using abdominal exercise devices. The Journal of Strength and Conditioning Research, 13 (4), 339-345.
APA-Zitierstil (7. Ausg.)Whiting, W. C., Rugg, S., Coleman, A., & Vincent, W. J. (1999). Muscle activity during sit-ups using abdominal exercise devices. The Journal of Strength and Conditioning Research, 13(4), 339-345.
Chicago-Zitierstil (17. Ausg.)Whiting, W. C., S. Rugg, A. Coleman, und W. J. Vincent. "Muscle Activity During Sit-ups Using Abdominal Exercise Devices." The Journal of Strength and Conditioning Research 13, no. 4 (1999): 339-345.
MLA-Zitierstil (9. Ausg.)Whiting, W. C., et al. "Muscle Activity During Sit-ups Using Abdominal Exercise Devices." The Journal of Strength and Conditioning Research, vol. 13, no. 4, 1999, pp. 339-345.