APA aipamena

Chan, A., Tetzlaff, J., Gøtzsche, P., Altman, D., Mann, H., Berlin, J., . . . Moher, D. (2013). SPIRIT 2013 explanation and elaboration: Guidance for protocols of clinical trials.

Chicago Style aipamena

Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.

MLA aipamena

Chan, A., et al. SPIRIT 2013 Explanation and Elaboration: Guidance for Protocols of Clinical Trials. 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.