Chicago (Ill.). Dept. of Planning, City and Community Development. (1991). 1990 census, profile 2: Persons by age, race, sex and Hispanic origin [for city of Chicago and community areas] : summary tape file 1A. Dept. of Planning and Development.
Chicago Style aipamenaChicago (Ill.). Dept. of Planning, City and Community Development. 1990 Census, Profile 2: Persons by Age, Race, Sex and Hispanic Origin [for City of Chicago and Community Areas] : Summary Tape File 1A. Chicago, Ill.: Dept. of Planning and Development, 1991.
MLA aipamenaChicago (Ill.). Dept. of Planning, City and Community Development. 1990 Census, Profile 2: Persons by Age, Race, Sex and Hispanic Origin [for City of Chicago and Community Areas] : Summary Tape File 1A. Dept. of Planning and Development, 1991.