APA (7. basım) Alıntı

Alan Guttmacher Institute. (1981). Teenage pregnancy: The problem that hasn?t gone away. Alan Guttmacher Institute.

Chicago Style (17. basım) Atıf

Alan Guttmacher Institute. Teenage Pregnancy: The Problem That Hasn?t Gone Away. New York: Alan Guttmacher Institute, 1981.

MLA (9th ed.) Atıf

Alan Guttmacher Institute. Teenage Pregnancy: The Problem That Hasn?t Gone Away. Alan Guttmacher Institute, 1981.