Time-Life Books. (1989). Fitness for life: Childhood to maturity. Time-Life Books.
Citace podle Chicago (17th ed.)Time-Life Books. Fitness for Life: Childhood to Maturity. Alexandria, Va: Time-Life Books, 1989.
Citace podle MLA (9th ed.)Time-Life Books. Fitness for Life: Childhood to Maturity. Time-Life Books, 1989.
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