Παραπομπή APA

(1977). First United Nations Regional Cartographic Conference for the Americas, Panama, 8-19 March 1976. New York: United Nations.

Παραπομπή Chicago Style

First United Nations Regional Cartographic Conference for the Americas, Panama, 8-19 March 1976. New York: United Nations, 1977.

Παραπομπή MLA

First United Nations Regional Cartographic Conference for the Americas, Panama, 8-19 March 1976. New York: United Nations, 1977.

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