Skarstrom, W. (1921). Gymnastic teaching ([2d. ed.].). American physical education association.
Chicagoスタイル(17版)引用形式Skarstrom, William. Gymnastic Teaching. [2d. ed.]. Springfield, Mass.: American physical education association, 1921.
MLA(8版)引用形式Skarstrom, William. Gymnastic Teaching. [2d. ed.]. American physical education association, 1921.
警告: この引用は必ずしも正確ではありません.