APA
Dugopolski M., . (2009). Intermediate algebra. Boston: McGraw-Hill.
Chicago
Dugopolski Mark, . 2009. Intermediate algebra. Boston: McGraw-Hill.
Harvard
Dugopolski M., . (2009). Intermediate algebra. Boston: McGraw-Hill.
MLA
Dugopolski Mark, . Intermediate algebra. Boston: McGraw-Hill. 2009.