Citazione APA

World Health Organization. (1988). World directory of medical schools. World Health Organisation.

Stile di citazione Chicago

World Health Organization. World Directory of Medical Schools. Geneva: World Health Organisation, 1988.

Citazione MLA

World Health Organization. World Directory of Medical Schools. World Health Organisation, 1988.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.