APA (7th ed.) Zitazioa
Erdmans, M. P., & Black, T. (2015). On becoming a teen mom: Life before pregnancy. University of California Press.
Chicago Style (17th ed.) Zitazioa
Erdmans, Mary Patrice, eta Timothy Black. On Becoming a Teen Mom: Life Before Pregnancy. Oakland, California: University of California Press, 2015.
MLA (9th ed.) Zitazioa
Erdmans, Mary Patrice, eta Timothy Black. On Becoming a Teen Mom: Life Before Pregnancy. University of California Press, 2015.
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