MacMahon,Brain and Pugh,Thomas F and Ipsen,Johannes. (1960). Epidemiologic Methods (1960.). Little Brown and Company.
استشهاد بنمط شيكاغوMacMahon,Brain and Pugh,Thomas F and Ipsen,Johannes. Epidemiologic Methods. 1960. Toronto: Little Brown and Company, 1960.
MLA استشهادMacMahon,Brain and Pugh,Thomas F and Ipsen,Johannes. Epidemiologic Methods. 1960. Little Brown and Company, 1960.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.