(1972). DEMOGRAPHIC YEARBOOK/ANNUAIRE DEMOGRAPHIQUE, l971 (23.). United Nationas.
Chicago Style (17th ed.) CitationDEMOGRAPHIC YEARBOOK/ANNUAIRE DEMOGRAPHIQUE, L971. 23. New York: United Nationas, 1972.
MLA (8th ed.) CitationDEMOGRAPHIC YEARBOOK/ANNUAIRE DEMOGRAPHIQUE, L971. 23. United Nationas, 1972.
Warning: These citations may not always be 100% accurate.