International Program of Laboratories for Population Statistics. (1976). Proceedings of the sixth international POPLAB conference: Civil registration and vital statistics : The Hague. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health Carolina Population Center, University of North Carolina at Chapel Hill.
Citazione stile Chigago Style (17a edizione)International Program of Laboratories for Population Statistics. Proceedings of the Sixth International POPLAB Conference: Civil Registration and Vital Statistics : The Hague. Chapel Hill, N.C: International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health Carolina Population Center, University of North Carolina at Chapel Hill, 1976.
Citatione MLA (9a ed.)International Program of Laboratories for Population Statistics. Proceedings of the Sixth International POPLAB Conference: Civil Registration and Vital Statistics : The Hague. International Program of Laboratories for Population Statistics, Dept. of Biostatistics, School of Public Health Carolina Population Center, University of North Carolina at Chapel Hill, 1976.