APA aipamena

Howard, R. (1993). Preoperative and postoperative pain control.

Chicago Style aipamena

Howard, R. Preoperative and Postoperative Pain Control. 1993.

MLA aipamena

Howard, R. Preoperative and Postoperative Pain Control. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.