APA-viite

Beauclair, R., Petro, G., & Myer, L. (2014). The association between timing of initiation of antenatal care and stillbirths: A retrospective cohort study of pregnant women in Cape Town, South Africa. BioMed Central.

Chicago-tyylinen lähdeviittaus

Beauclair, Roxanne, Greg Petro, ja Landon Myer. The Association between Timing of Initiation of Antenatal Care and Stillbirths: A Retrospective Cohort Study of Pregnant Women in Cape Town, South Africa. BioMed Central, 2014.

MLA-viite

Beauclair, Roxanne, Greg Petro, ja Landon Myer. The Association between Timing of Initiation of Antenatal Care and Stillbirths: A Retrospective Cohort Study of Pregnant Women in Cape Town, South Africa. BioMed Central, 2014.

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