Παραπομπή APA

United Nations. Department of Economic and Social Affairs. (1972). Yearbook of national accounts statistics 1970. New York: United Nations.

Παραπομπή Chicago Style

United Nations. Department of Economic and Social Affairs. Yearbook of National Accounts Statistics 1970. New York: United Nations, 1972.

Παραπομπή MLA

United Nations. Department of Economic and Social Affairs. Yearbook of National Accounts Statistics 1970. New York: United Nations, 1972.

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