Friis, R. H., & Sellers, T. A. (2014). Epidemiology for public health practice (5th ed.). Jones & Bartlett Learning.
Chicago Style (17th ed.) CitationFriis, Robert H., and Thomas A. Sellers. Epidemiology for Public Health Practice. 5th ed. Burlington, Mass.: Jones & Bartlett Learning, 2014.
ציטוט MLAFriis, Robert H., and Thomas A. Sellers. Epidemiology for Public Health Practice. 5th ed. Jones & Bartlett Learning, 2014.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.