APA ציטוט

Balfour, D. C. (1921). SURGICAL MANAGEMENT OF GASTRIC ULCERS.

Citação norma Chicago

Balfour, Donald C. SURGICAL MANAGEMENT OF GASTRIC ULCERS. 1921.

ציטוט MLA

Balfour, Donald C. SURGICAL MANAGEMENT OF GASTRIC ULCERS. 1921.