Kropp, F., Winhusen, T., Lewis, D., Hague, D., & Somoza, E. (2010). Increasing Prenatal Care and Healthy Behaviors in Pregnant Substance Users.
استشهاد بنمط شيكاغوKropp, Frankie, Theresa Winhusen, Daniel Lewis, Diane Hague, و Eugene Somoza. Increasing Prenatal Care and Healthy Behaviors in Pregnant Substance Users. 2010.
MLA استشهادKropp, Frankie, et al. Increasing Prenatal Care and Healthy Behaviors in Pregnant Substance Users. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.