Gaya APA

Klafs, C, E., D, I, A, D. (1981). Modern principles of athletic training . St.Louis: St.Louis: The C.V. Mosby; 1981.

Gaya MLA

Klafs, Carl, E., D, I., Arnheim,, Daniel. "Modern principles of athletic training". St.Louis: St.Louis: The C.V. Mosby; 1981, 1981. Text.