Turnock, B. J. (2012). Public health : what it is and how it works: What it is and how it works (5th ed.). Jones & Bartlett Learning.
Lua i Stíl Chicago (17ú heag.)Turnock, Bernard J. Public Health : What It Is and How It Works: What It Is and How It Works. 5th ed. Burlington, MA: Jones & Bartlett Learning, 2012.
Lua MLA (8ú heag.)Turnock, Bernard J. Public Health : What It Is and How It Works: What It Is and How It Works. 5th ed. Jones & Bartlett Learning, 2012.
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