APA-viite

Tunçalp, Ӧ., Were, W., MacLennan, C., Oladapo, O., Gülmezoglu, A., Bahl, R., . . . Bustreo, F. (2015). Quality of care for pregnant women and newborns—the WHO vision. BJOG.

Chicago-tyylinen lähdeviittaus

Tunçalp, Ӧ, et al. "Quality of Care for Pregnant Women and Newborns—the WHO Vision." BJOG 2015.

MLA-viite

Tunçalp, Ӧ, et al. "Quality of Care for Pregnant Women and Newborns—the WHO Vision." BJOG 2015.

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