APA ציטוט

Duthie, H. L. (1964). Gastric Freezing for Duodenal Ulcer.

Citação norma Chicago

Duthie, H. L. Gastric Freezing for Duodenal Ulcer. 1964.

ציטוט MLA

Duthie, H. L. Gastric Freezing for Duodenal Ulcer. 1964.