Turnock, B. J. (2012). Essentials of public health (2nd ed.). Jones & Bartlett Learning.
Lua i Stíl Chicago (17ú heag.)Turnock, Bernard J. Essentials of Public Health. 2nd ed. Sudbury, MA: Jones & Bartlett Learning, 2012.
Lua MLA (8ú heag.)Turnock, Bernard J. Essentials of Public Health. 2nd ed. Jones & Bartlett Learning, 2012.
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