APA

Conference of Directors of Schools of Public Health (1966 : Geneva), World Health Organization, . (1967). Conference of Directors of Schools of Public Health : report of a WHO Inter-Regional Conference [held in Geneva from 29 August to 2 September 1966]. Geneva: World Health Organization.

Chicago

Conference of Directors of Schools of Public Health (1966 : Geneva), World Health Organization, . 1967. Conference of Directors of Schools of Public Health : report of a WHO Inter-Regional Conference [held in Geneva from 29 August to 2 September 1966]. Geneva: World Health Organization.

Harvard

Conference of Directors of Schools of Public Health (1966 : Geneva), World Health Organization, . (1967). Conference of Directors of Schools of Public Health : report of a WHO Inter-Regional Conference [held in Geneva from 29 August to 2 September 1966]. Geneva: World Health Organization.

MLA

Conference of Directors of Schools of Public Health (1966 : Geneva), World Health Organization, . Conference of Directors of Schools of Public Health : report of a WHO Inter-Regional Conference [held in Geneva from 29 August to 2 September 1966]. Geneva: World Health Organization. 1967.