Coyle, D. C. (1960). The United Nations and how it works (Rev. and up-to-date.). Columbia University Press.
Citazione stile Chigago Style (17a edizione)Coyle, David Cushman. The United Nations and How It Works. Rev. and up-to-date. New York: Columbia University Press, 1960.
Citatione MLA (9a ed.)Coyle, David Cushman. The United Nations and How It Works. Rev. and up-to-date. Columbia University Press, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.