National Strength & Conditioning Association (U.S.). Certification Commission. (2008). Exercise technique manual for resistance training (Second edition.). Human Kinetics Publishing Inc.
Citazione stile Chigago Style (17a edizione)National Strength & Conditioning Association (U.S.). Certification Commission. Exercise Technique Manual for Resistance Training. Second edition. Champaign, Ill: Human Kinetics Publishing Inc, 2008.
Citatione MLA (9a ed.)National Strength & Conditioning Association (U.S.). Certification Commission. Exercise Technique Manual for Resistance Training. Second edition. Human Kinetics Publishing Inc, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.