Small, M., Allen, T., & Brown, H. (2017). Global Disparities in Maternal Morbidity and Mortality. Semin Perinatol.
Chicago Style aipamenaSmall, M., T. Allen, and HL Brown. "Global Disparities in Maternal Morbidity and Mortality." Semin Perinatol 2017.
MLA aipamenaSmall, M., T. Allen, and HL Brown. "Global Disparities in Maternal Morbidity and Mortality." Semin Perinatol 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.