Duncan, W. G. (1973). The nature and content of fertility surveys conducted throughout the world since 1960. [Voorburg, The Netherlands]: [International Statistical Institute].
Chicago Style CitationDuncan, William G. The Nature and Content of Fertility Surveys Conducted Throughout the World Since 1960. [Voorburg, The Netherlands]: [International Statistical Institute], 1973.
MLA CitationDuncan, William G. The Nature and Content of Fertility Surveys Conducted Throughout the World Since 1960. [Voorburg, The Netherlands]: [International Statistical Institute], 1973.
Warning: These citations may not always be 100% accurate.