Dyfyniad APA

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.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.