APA citiranje

Waugh, J. M., & Johnston, E. V. (1955). Primary Diverticula of the Duodenum.

Citação norma Chicago

Waugh, John M., and Edward V. Johnston. Primary Diverticula of the Duodenum. 1955.

MLA citiranje

Waugh, John M., and Edward V. Johnston. Primary Diverticula of the Duodenum. 1955.