Não informado. (1989). Sport and leisure. University of Waterloo Press.
Chicago (17e ed.) BronvermeldingNão informado. Sport and Leisure. Waterloo, Canada: University of Waterloo Press, 1989.
MLA (8e ed.) BronvermeldingNão informado. Sport and Leisure. University of Waterloo Press, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.