APA
Vaughan J. P. &. M. R. H., . (1989). Manual of epidemiology for district health management. World Health Organization, Geneva: .
Chicago
Vaughan J P.(ed) & Morrow R H, . 1989. Manual of epidemiology for district health management. World Health Organization, Geneva: .
Harvard
Vaughan J. P. &. M. R. H., . (1989). Manual of epidemiology for district health management. World Health Organization, Geneva: .
MLA
Vaughan J P.(ed) & Morrow R H, . Manual of epidemiology for district health management. World Health Organization, Geneva: . 1989.