Working Group on Managers in Health Services Ντύσσελντορφ, Γερμανία), & World Health Organization. Regional Office for Europe. (1978). Education of managers in health services: Report on a Working Group : Düsseldorf 29 November-2 December 1977. World Health Organization. Regional Office for Europe.
Παραπομπή σε μορφή Chicago (17η εκδ.)Working Group on Managers in Health Services Ντύσσελντορφ, Γερμανία), και World Health Organization. Regional Office for Europe. Education of Managers in Health Services: Report on a Working Group : Düsseldorf 29 November-2 December 1977. Copenhagen: World Health Organization. Regional Office for Europe, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Working Group on Managers in Health Services Ντύσσελντορφ, Γερμανία), και World Health Organization. Regional Office for Europe. Education of Managers in Health Services: Report on a Working Group : Düsseldorf 29 November-2 December 1977. World Health Organization. Regional Office for Europe, 1978.