Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, Ewbank, D. C., & Gribble, J. N. (1993). Effects of health programs on child mortality in Sub-Saharan Africa. National Academy Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, Douglas C. Ewbank, και James N. Gribble. Effects of Health Programs on Child Mortality in Sub-Saharan Africa. Washington, D.C.: National Academy Press, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, et al. Effects of Health Programs on Child Mortality in Sub-Saharan Africa. National Academy Press, 1993.