APA aipamena

Byl, J. (2008). Having a ball: Stability ball games. Human Kinetics.

Chicago Style aipamena

Byl, John. Having a Ball: Stability Ball Games. Champaign, Illinois: Human Kinetics, 2008.

MLA aipamena

Byl, John. Having a Ball: Stability Ball Games. Human Kinetics, 2008.

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