Não informado. (1989). Sport and leisure. University of Waterloo Press.
Chicagoスタイル(17版)引用形式Não informado. Sport and Leisure. Waterloo, Canada: University of Waterloo Press, 1989.
MLA(8版)引用形式Não informado. Sport and Leisure. University of Waterloo Press, 1989.
警告: この引用は必ずしも正確ではありません.