Gaya APA

Shryock, M, G, H, H., Collingwood, T, R. (1997). Helping At-Risk Youth Through Physical Fitness Programming . Australia: Human Kinetics.

Gaya MLA

Shryock, Marvyn, G., Hardinge,, Harold., Collingwood, Thomas, R. "Helping At-Risk Youth Through Physical Fitness Programming". Australia: Human Kinetics, 1997. Text.