Citazione Stile APA (7a Edizione)

Union of International Associations. (1961). International congress organization: Theory and practice. [s.n.].

Citazione stile Chigago Style (17a edizione)

Union of International Associations. International Congress Organization: Theory and Practice. Brussels: [s.n.], 1961.

Citatione MLA (9a ed.)

Union of International Associations. International Congress Organization: Theory and Practice. [s.n.], 1961.