APA-čujuhus (7. p.)
Helper, R. (1969). Racial policies and practices of real estate brokers. University of Minnesota Press.
Chicago-čujuhus (17. p.)
Helper, Rose. Racial Policies and Practices of Real Estate Brokers. Minneapolis: University of Minnesota Press, 1969.
MLA-čujuhus (9. p.)
Helper, Rose. Racial Policies and Practices of Real Estate Brokers. University of Minnesota Press, 1969.
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