APA aipamena

Hayward, S. C., & Zabin, L. S. Adolescent sexual behaviour and childbearing.

Chicago Style aipamena

Hayward, Sarah C., and Laurie Schwab Zabin. Adolescent Sexual Behaviour and Childbearing. London, Sage Publications.

MLA aipamena

Hayward, Sarah C., and Laurie Schwab Zabin. Adolescent Sexual Behaviour and Childbearing.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.