APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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