Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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