Carver, J. S. (1976). Systems of demographic measurement: The dual record system. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, Carolina Population Center, University of North Carolina at Chapel Hill.
Chicago-Zitierstil (17. Ausg.)Carver, Jane S. Systems of Demographic Measurement: The Dual Record System. Chapel Hill: International Program of Laboratories for Population Statistics, Dept. of Biostatistics, Carolina Population Center, University of North Carolina at Chapel Hill, 1976.
MLA-Zitierstil (9. Ausg.)Carver, Jane S. Systems of Demographic Measurement: The Dual Record System. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, Carolina Population Center, University of North Carolina at Chapel Hill, 1976.