Dyfyniad APA

Yarnell, J., & O'Reilly, D. (2013). Epidemiology and disease prevention: A global approach (2nd ed.). Oxford University Press.

Dyfyniad Arddull Chicago

Yarnell, John, and Dermot O'Reilly. Epidemiology and Disease Prevention: A Global Approach. 2nd ed. Oxford: Oxford University Press, 2013.

Dyfyniad MLA

Yarnell, John, and Dermot O'Reilly. Epidemiology and Disease Prevention: A Global Approach. 2nd ed. Oxford University Press, 2013.

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