AA, C., CJ, B., C, S., K, S., FC, B., & WM, C. (2012). Race, ethnicity, and nativity differentials in pregnancy-related mortality in the United States: 1993-2006. Obstetrics & Gynecology, 120(2 part 2), 261-268. https://doi.org/10.1097/AOG.0b013e31825cb87a
Παραπομπή σε μορφή Chicago (17η εκδ.)AA, Creanga, Berg CJ, Syverson C, Seed K, Bruce FC, και Callaghan WM. "Race, Ethnicity, and Nativity Differentials in Pregnancy-related Mortality in the United States: 1993-2006." Obstetrics & Gynecology 120, no. 2 part 2 (2012): 261-268. https://doi.org/10.1097/AOG.0b013e31825cb87a.
Παραπομπή σε μορφή MLA (9th εκδ.)AA, Creanga, et al. "Race, Ethnicity, and Nativity Differentials in Pregnancy-related Mortality in the United States: 1993-2006." Obstetrics & Gynecology, vol. 120, no. 2 part 2, 2012, pp. 261-268, https://doi.org/10.1097/AOG.0b013e31825cb87a.