Rejeski, J. (1989). Fitness motivation: Preventing participants dropouts. Human Kinetics Books.
Παραπομπή Chicago StyleRejeski, Jack;Kenney. Fitness Motivation: Preventing Participants Dropouts. Illinois: Human Kinetics Books, 1989.
Παραπομπή MLARejeski, Jack;Kenney. Fitness Motivation: Preventing Participants Dropouts. Human Kinetics Books, 1989.
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