Sayce, V. (1989). Exercise can beat your arthistis. Avery Pu. Group.
Chicagoスタイル(17版)引用形式Sayce, Valerie. Exercise Can Beat Your Arthistis. Avery Pu. Group, 1989.
MLA(9版)引用形式Sayce, Valerie. Exercise Can Beat Your Arthistis. Avery Pu. Group, 1989.
警告: この引用は必ずしも正確ではありません.