World Fertility Survey. (1977). World Fertility Survey. Internat. Statistical Inst.
Chicago Style (17th ed.) CitationWorld Fertility Survey. World Fertility Survey. Voorburg ; London: Internat. Statistical Inst, 1977.
MLA (8th ed.) CitationWorld Fertility Survey. World Fertility Survey. Internat. Statistical Inst, 1977.
Warning: These citations may not always be 100% accurate.