American Public Health Association & Heyman, D. L. (2008). Control of communicable diseases manual (19th ed.). American Public Health Association.
Chicago-viite (17. p.)American Public Health Association ja David L. Heyman. Control of Communicable Diseases Manual. 19th ed. Washington, DC: American Public Health Association, 2008.
MLA-viite (8. p.)American Public Health Association ja David L. Heyman. Control of Communicable Diseases Manual. 19th ed. American Public Health Association, 2008.
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