von Elm, E., Altman, D., Egger, M., Pocock, S., Gøtzsche, P., & Vandenbroucke, J. (2007). Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: Guidelines for reporting observational studies.
Chicago Style (17. basım) Atıfvon Elm, E., D. Altman, M. Egger, S. Pocock, P. Gøtzsche, ve J. Vandenbroucke. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. 2007.
MLA (9th ed.) Atıfvon Elm, E., et al. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. 2007.
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