APA-viite

Bertotti, A. M., & Christensen, S. M. (2012). Comparing Current, Former, and Never Users of Natural Family Planning An Analysis of Demographic, Socioeconomic, and Attitudinal Variables. Linacre Q.

Chicago-tyylinen lähdeviittaus

Bertotti, Andrea M., ja Sinead M. Christensen. "Comparing Current, Former, and Never Users of Natural Family Planning An Analysis of Demographic, Socioeconomic, and Attitudinal Variables." Linacre Q 2012.

MLA-viite

Bertotti, Andrea M., ja Sinead M. Christensen. "Comparing Current, Former, and Never Users of Natural Family Planning An Analysis of Demographic, Socioeconomic, and Attitudinal Variables." Linacre Q 2012.

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