1990 census of population.
General population characteristics.
Puerto Rico =
Censo de poblacion de 1990. Caracteristicas generales de la poblacion. Puerto Rico.
APA Citation
United States. Bureau of the Census. (1992). 1990 census of population: Censo de poblacion de 1990. Caracteristicas generales de la poblacion. Puerto Rico. Washington, DC: U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census .
MLA Citation
United States. Bureau of the Census. 1990 Census of Population: Censo De Poblacion De 1990. Caracteristicas Generales De La Poblacion. Puerto Rico. Washington, DC: U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census , 1992.
Warning: These citations may not always be complete (especially for serials).