Dyfyniad APA

Turnock, B. J. (2012). Essentials of public health (2nd ed.). Jones & Bartlett Learning.

Dyfyniad Arddull Chicago

Turnock, Bernard J. Essentials of Public Health. 2nd ed. Sudbury, MA: Jones & Bartlett Learning, 2012.

Dyfyniad MLA

Turnock, Bernard J. Essentials of Public Health. 2nd ed. Jones & Bartlett Learning, 2012.

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