World Health Organization & Federation for International Cooperation of Health Services and Systems Research Centers. (1995). International directory of health services and systems research centers (3rd ed.). World Health Organization : Ficosser.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Health Organization και Federation for International Cooperation of Health Services and Systems Research Centers. International Directory of Health Services and Systems Research Centers. 3rd ed. Geneva: World Health Organization : Ficosser, 1995.
Παραπομπή σε μορφή MLA (8th εκδ.)World Health Organization και Federation for International Cooperation of Health Services and Systems Research Centers. International Directory of Health Services and Systems Research Centers. 3rd ed. World Health Organization : Ficosser, 1995.