Cita APA (7th ed.)
Dugopolski, M. (2000). Elementary algebra (Edition 3.). McGraw-Hill.
Cita Chicago (17th ed.)
Dugopolski, Mark. Elementary Algebra. Edition 3. Boston: McGraw-Hill, 2000.
Cita MLA (9th ed.)
Dugopolski, Mark. Elementary Algebra. Edition 3. McGraw-Hill, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.