Dugopolski, M., & Mark Dogopolski. (2012). Algebra: For college students (6th ed.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Dugopolski, Mark, i Mark Dogopolski. Algebra: For College Students. 6th ed. New York: McGraw-Hill, 2012.
MLA način citiranja (9. izdanje)Dugopolski, Mark, i Mark Dogopolski. Algebra: For College Students. 6th ed. McGraw-Hill, 2012.
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