Peña, R. d. l. (1974). Richard E. Bilsborrow. The preparation of an inventory of demographic data for social and economic planning. Chapel Hill, [N. C.]: Laboratories for Population Statistics, The University of North Carolina at Chapel Hill, 1974. 39 p. El Colegio de México A.C.
Chicago Style (17th ed.) CitationPeña, Raúl de la. Richard E. Bilsborrow. The Preparation of an Inventory of Demographic Data for Social and Economic Planning. Chapel Hill, [N. C.]: Laboratories for Population Statistics, The University of North Carolina at Chapel Hill, 1974. 39 P. El Colegio de México A.C, 1974.
MLA (9th ed.) CitationPeña, Raúl de la. Richard E. Bilsborrow. The Preparation of an Inventory of Demographic Data for Social and Economic Planning. Chapel Hill, [N. C.]: Laboratories for Population Statistics, The University of North Carolina at Chapel Hill, 1974. 39 P. El Colegio de México A.C, 1974.