APA (7th ed.) Zitazioa
Elm, E. v., Altman, D. G., Egger, M., Pocock, S. J., Gøtzsche, P. C., & Vandenbroucke, J. P. (Nov 2007). The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for reporting observational studies*. World Health Organization. Bulletin of the World Health Organization.
Chicago Style (17th ed.) Zitazioa
Elm, Erik von, Douglas G. Altman, Matthias Egger, Stuart J. Pocock, Peter C. Gøtzsche, eta Jan P. Vandenbroucke. "The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies*." World Health Organization. Bulletin of the World Health Organization Nov 2007.
MLA (9th ed.) Zitazioa
Elm, Erik von, et al. "The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies*." World Health Organization. Bulletin of the World Health Organization, Nov 2007.
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