Koepsell, T. D., & Thomas D. Koepsell; Noel S. Weiss. (2003). Epidemiologic methods: Studying the occurrence of illness. Oxford,New York: Oxford University Press.
استشهاد بنمط شيكاغوKoepsell, Thomas D., و Thomas D. Koepsell; Noel S. Weiss. Epidemiologic Methods: Studying the Occurrence of Illness. Oxford,New York: Oxford University Press, 2003.
MLA استشهادKoepsell, Thomas D., و Thomas D. Koepsell; Noel S. Weiss. Epidemiologic Methods: Studying the Occurrence of Illness. Oxford,New York: Oxford University Press, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.