Παραπομπή σε μορφή APA (7η εκδ.)

Singh, S., Darroch, J. E., Ashford, L. S., & Vlassoff, M. (2012). Adding It Up: The costs and Benefits of Investing in family Planning and maternal and new born health. GUTTMACHER INSTITUTE.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Singh, Susheela, Jacqueline E. Darroch, Lori S. Ashford, και Michael Vlassoff. Adding It Up: The Costs and Benefits of Investing in Family Planning and Maternal and New Born Health. GUTTMACHER INSTITUTE, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Singh, Susheela, et al. Adding It Up: The Costs and Benefits of Investing in Family Planning and Maternal and New Born Health. GUTTMACHER INSTITUTE, 2012.