APA-viite (7. p.)

Willcox, M., Okello, I., Maidwell-Smith, A., Tura, A., van den Akker, T., & Knight, M. (2022). Maternal and perinatal death surveillance and response: A systematic review of qualitative studies. World Health Organization.

Chicago-viite (17. p.)

Willcox, ML, IA Okello, A. Maidwell-Smith, AK Tura, T. van den Akker, ja M. Knight. Maternal and Perinatal Death Surveillance and Response: A Systematic Review of Qualitative Studies. World Health Organization, 2022.

MLA-viite (9. p.)

Willcox, ML, et al. Maternal and Perinatal Death Surveillance and Response: A Systematic Review of Qualitative Studies. World Health Organization, 2022.