Dyfyniad APA

Vaughan, J. P., & Morrow, R. H. (1989). Manual of epidemology for district health management. World Health Organisation.

Dyfyniad Arddull Chicago

Vaughan, J P., and R H. Morrow. Manual of Epidemology for District Health Management. Geneva: World Health Organisation, 1989.

Dyfyniad MLA

Vaughan, J P., and R H. Morrow. Manual of Epidemology for District Health Management. World Health Organisation, 1989.

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