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.
Cita Chicago (17th ed.)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.
Cita MLA (8th ed.)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.
Atenció: Aquestes cites poden no estar 100% correctes.