Dyfyniad APA

Levine, S., & Lilienfeld, A. M. (1987). Epidemiology and health policy. Tavistock Pub.

Dyfyniad Arddull Chicago

Levine, Sol, and Abraham M. Lilienfeld. Epidemiology and Health Policy. New York: Tavistock Pub, 1987.

Dyfyniad MLA

Levine, Sol, and Abraham M. Lilienfeld. Epidemiology and Health Policy. Tavistock Pub, 1987.

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