APA ציטוט

Orr, T. G. (1947). Operations of general surgery. Philadelphia: W.B. Saunders.

Παραπομπή Chicago Style

Orr, Thomas G. Operations of General Surgery. Philadelphia: W.B. Saunders, 1947.

ציטוט MLA

Orr, Thomas G. Operations of General Surgery. Philadelphia: W.B. Saunders, 1947.