APA aipamena

Cochrane, L. A. (1981). Assessing clinical trials.

Chicago Style aipamena

Cochrane, Lynda A. Assessing Clinical Trials. 1981.

MLA aipamena

Cochrane, Lynda A. Assessing Clinical Trials. 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.