APA引文

Unwin, N. (1997). An introductory study guide to public health and epidemiology. Open Univ. Press.

Chicago Style (17th ed.) Citation

Unwin, Nigel. An Introductory Study Guide to Public Health and Epidemiology. Buckingham: Open Univ. Press, 1997.

MLA引文

Unwin, Nigel. An Introductory Study Guide to Public Health and Epidemiology. Open Univ. Press, 1997.