Cita APA (7th ed.)

Dugopolski, M. (2004). Elementary algebra (Fourth edition.). McGraw-Hill.

Cita Chicago (17th ed.)

Dugopolski, Mark. Elementary Algebra. Fourth edition. Boston: McGraw-Hill, 2004.

Cita MLA (8th ed.)

Dugopolski, Mark. Elementary Algebra. Fourth edition. McGraw-Hill, 2004.