Allen, O. E. (1981). Building sound bones and muscles. Time-Life Books School and library distribution by Silver Burdette Co.
Chicago-viite (17. p.)Allen, Oliver E. Building Sound Bones and Muscles. Alexandria, Va., Morristown, N.J: Time-Life Books School and library distribution by Silver Burdette Co, 1981.
MLA-viite (9. p.)Allen, Oliver E. Building Sound Bones and Muscles. Time-Life Books School and library distribution by Silver Burdette Co, 1981.
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