Cita APA (7th ed.)

Vaughan, P., & Morrow, R. H. (1989). Manual of epidemiology for district health management. World Health Organization.

Cita Chicago (17th ed.)

Vaughan, Patrick, i R. H. Morrow. Manual of Epidemiology for District Health Management. Geneva: World Health Organization, 1989.

Cita MLA (8th ed.)

Vaughan, Patrick, i R. H. Morrow. Manual of Epidemiology for District Health Management. World Health Organization, 1989.