Gaya APA

Crowe, W, C., David, I, A. (NULL). Principles and methods of adapted physical education and recreation . London:: London: The C.V. Mosby; 1981.

Gaya MLA

Crowe, Walter, C.., David, I., Auxter,. "Principles and methods of adapted physical education and recreation". London:: London: The C.V. Mosby; 1981, NULL. Text.