Stewart, F. H., Brown, B. A., Raine, T. R., Weitz, T. A., & Harper, C. C. (2007). Adolescent and Young Women’s Experience with the Vaginal Ring and Oral Contraceptive Pills.
استشهاد بنمط شيكاغوStewart, Felicia H., Beth A. Brown, Tina R. Raine, Tracy A. Weitz, و Cynthia C. Harper. Adolescent and Young Women’s Experience With the Vaginal Ring and Oral Contraceptive Pills. 2007.
MLA استشهادStewart, Felicia H., et al. Adolescent and Young Women’s Experience With the Vaginal Ring and Oral Contraceptive Pills. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.