Gaya APA

Behrens, B, J., Michlovitz, S, L. (1959). Physical Agents : Theory and Practice for the Physical Therapist Assistant . Philadelphia: F. A. Davis Company.

Gaya MLA

Behrens, Barbara, J., Michlovitz, Susan, L. "Physical Agents : Theory and Practice for the Physical Therapist Assistant". Philadelphia: F. A. Davis Company, 1959. Text.