APA aipamena

Garenne, M., Kahn, K., Collinson, M., Gómez-Olivé, X., & Tollman, S. (2013). Protective Effect of Pregnancy in Rural South Africa: Questioning the Concept of “Indirect Cause” of Maternal Death. Public Library of Science.

Chicago Style aipamena

Garenne, Michel, Kathleen Kahn, Mark Collinson, Xavier Gómez-Olivé, and Stephen Tollman. Protective Effect of Pregnancy in Rural South Africa: Questioning the Concept of “Indirect Cause” of Maternal Death. Public Library of Science, 2013.

MLA aipamena

Garenne, Michel, et al. Protective Effect of Pregnancy in Rural South Africa: Questioning the Concept of “Indirect Cause” of Maternal Death. Public Library of Science, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.