World Health Organization. (1979). World directory of medical schools (5. ed.). Geneva: WHO.
Citación estilo ChicagoWorld Health Organization. World Directory of Medical Schools. 5. ed. Geneva: WHO, 1979.
Cita MLAWorld Health Organization. World Directory of Medical Schools. 5. ed. Geneva: WHO, 1979.
Precaución: Estas citas no son 100% exactas.