APA (7th ed.) Zitazioa
Waters, M. (1967). The United Nations: International organization and administration. Macmillan.
Chicago Style (17th ed.) Zitazioa
Waters, Maurice. The United Nations: International Organization and Administration. New York: Macmillan, 1967.
MLA (9th ed.) Zitazioa
Waters, Maurice. The United Nations: International Organization and Administration. Macmillan, 1967.
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