APA (7th ed.) Zitazioa
Robertson, S. M. (2014). Betsy Mix Cowles: Champion of equality. Westview Press.
Chicago Style (17th ed.) Zitazioa
Robertson, Stacey M. Betsy Mix Cowles: Champion of Equality. Boulder, Colorado: Westview Press, 2014.
MLA (9th ed.) Zitazioa
Robertson, Stacey M. Betsy Mix Cowles: Champion of Equality. Westview Press, 2014.
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