Bilsborrow, R. E. (1974). The preparation of an inventory of demographic data for social and economic planning. International Program of Laboratories for Population Statistics, Department of Biostatistics, Carolina Population Center, University of North Carolina.
Style de citation Chicago (17e éd.)Bilsborrow, Richard E. The Preparation of an Inventory of Demographic Data for Social and Economic Planning. Chapel Hill: International Program of Laboratories for Population Statistics, Department of Biostatistics, Carolina Population Center, University of North Carolina, 1974.
Style de citation MLA (9e éd.)Bilsborrow, Richard E. The Preparation of an Inventory of Demographic Data for Social and Economic Planning. International Program of Laboratories for Population Statistics, Department of Biostatistics, Carolina Population Center, University of North Carolina, 1974.