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