Gaya APA
Ward, G, R., Berridge, M, E. (1987).
International perspectives on adapted physical activity .
Champaign, IL:
Human Kinetics.
Gaya MLA
Ward, Graham, R.., Berridge, Mavis, E..
"International perspectives on adapted physical activity".
Champaign, IL:
Human Kinetics,
1987.
Text.