Leavell, H. R., & Clark, E. G. (1965). Preventive medicine for the doctor in his community: An epidemiologic approach (3d ed.). Blakiston Division, McGraw-Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)Leavell, Hugh Rodman, και E. Gurney Clark. Preventive Medicine for the Doctor in His Community: An Epidemiologic Approach. 3d ed. New York: Blakiston Division, McGraw-Hill, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Leavell, Hugh Rodman, και E. Gurney Clark. Preventive Medicine for the Doctor in His Community: An Epidemiologic Approach. 3d ed. Blakiston Division, McGraw-Hill, 1965.
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