Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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