Warner, E. R., Fornetti, W. C., Jallo, J. J., & Pivarnik, J. M. (2004). A skinfold model to predict fat-free mass in female athletes. Journal of athletic training, 39(3), S. 259-262. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC522149/

Warner, Evelyn R., Willa C. Fornetti, Jennifer J. Jallo, and James M. Pivarnik. "A Skinfold Model to Predict Fat-free Mass in Female Athletes." Journal of Athletic Training 39, no. 3 (2004): S. 259-262.

Warner, Evelyn R., Willa C. Fornetti, Jennifer J. Jallo, and James M. Pivarnik. "A Skinfold Model to Predict Fat-free Mass in Female Athletes." Journal of Athletic Training 39.3 (2004): S. 259-262.