Lindberg, L., Santelli, J., & Desai, S. (2016). Understanding the Decline in Adolescent Fertility in the United States, 2007–2012. J Adolesc Health.
استشهاد بنمط شيكاغوLindberg, Laura, John Santelli, و Sheila Desai. "Understanding the Decline in Adolescent Fertility in the United States, 2007–2012." J Adolesc Health 2016.
MLA استشهادLindberg, Laura, John Santelli, و Sheila Desai. "Understanding the Decline in Adolescent Fertility in the United States, 2007–2012." J Adolesc Health 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.