Krugman, S., & Katz, S. L. (1981). Infectious diseases of children (7.ed.). Mosby Company.
Lua i Stíl Chicago (17ú heag.)Krugman, Saul, agus Samuel L. Katz. Infectious Diseases of Children. 7.ed. Missouri: Mosby Company, 1981.
Lua MLA (9ú heag.)Krugman, Saul, agus Samuel L. Katz. Infectious Diseases of Children. 7.ed. Mosby Company, 1981.
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