Henriques, T. (2015). NPTI's fundamentals of fitness and personal training. Human Kinetics.
Chicago-viite (17. p.)Henriques, Tim. NPTI's Fundamentals of Fitness and Personal Training. Champaign, IL: Human Kinetics, 2015.
MLA-viite (9. p.)Henriques, Tim. NPTI's Fundamentals of Fitness and Personal Training. Human Kinetics, 2015.
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