Obrien, T. S. (2003). The personal trainers handbook (2.). Human Kinetics.
Chicago Edition CitationObrien, Teri S. The Personal Trainers Handbook. 2. Usa: Human Kinetics, 2003.
MLA Edition CitationObrien, Teri S. The Personal Trainers Handbook. 2. Human Kinetics, 2003.
Warning: These citations may not always be 100% accurate.