APA citiranje

Bernersen, B., Johnsen, R., & Straume, B. (1996). Non-ulcer dyspepsia and peptic ulcer: The distribution in a population and their relation to risk factors.

Citação norma Chicago

Bernersen, B., R. Johnsen, and B. Straume. Non-ulcer Dyspepsia and Peptic Ulcer: The Distribution in a Population and Their Relation to Risk Factors. 1996.

MLA citiranje

Bernersen, B., R. Johnsen, and B. Straume. Non-ulcer Dyspepsia and Peptic Ulcer: The Distribution in a Population and Their Relation to Risk Factors. 1996.