Citazione Stile APA (7a Edizione)

Canton, H., & Holman, C. A. (2001). The Europa directory of international organizations 2001 (3rd ed.). Europa Publications.

Citazione stile Chigago Style (17a edizione)

Canton, Helen, e Catriona Appeatu Holman. The Europa Directory of International Organizations 2001. 3rd ed. London: Europa Publications, 2001.

Citatione MLA (9a ed.)

Canton, Helen, e Catriona Appeatu Holman. The Europa Directory of International Organizations 2001. 3rd ed. Europa Publications, 2001.