Παραπομπή APA

(1964). Provisional report on world population prospects, as assessed in 1963. New York: United Nations.

Παραπομπή Chicago Style

Provisional Report On World Population Prospects, As Assessed in 1963. New York: United Nations, 1964.

Παραπομπή MLA

Provisional Report On World Population Prospects, As Assessed in 1963. New York: United Nations, 1964.

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