American Public Health Association & Heyman, D. L. (2008). Control of communicable diseases manual (19th ed.). American Public Health Association.
Chicago-referens (17:e uppl.)American Public Health Association och David L. Heyman. Control of Communicable Diseases Manual. 19th ed. Washington, DC: American Public Health Association, 2008.
MLA-referens (8:e uppl.)American Public Health Association och David L. Heyman. Control of Communicable Diseases Manual. 19th ed. American Public Health Association, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.