La Gra, J., & Barkley, P. W. (1970). Income and expense records of 17 Mexican-American families. Washington Agricultural Experiment Station.
Cita Chicago Style (17a ed.)La Gra, Jerry, y Paul W. Barkley. Income and Expense Records of 17 Mexican-American Families. [Pullman]: Washington Agricultural Experiment Station, 1970.
Cita MLA (8a ed.)La Gra, Jerry, y Paul W. Barkley. Income and Expense Records of 17 Mexican-American Families. Washington Agricultural Experiment Station, 1970.
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