Gaya APA

HOPPENFELD, S., DeBOER, P. (1994). Surgical exposures in orthopaedics (2nd ed.). Philadelphia: J.B. Lippincott.

Gaya MLA

HOPPENFELD, Stanley., DeBOER, Piet. "Surgical exposures in orthopaedics". 2nd ed. Philadelphia: J.B. Lippincott, 1994. Text.