Cita APA (7a ed.)

Dugopolski, M. (2014). College algebra & trigonometry: A unit circle approach (Fifth edition, Pearson new international edition.). Pearson.

Cita Chicago Style (17a ed.)

Dugopolski, Mark. College Algebra & Trigonometry: A Unit Circle Approach. Fifth edition, Pearson new international edition. Harlow, England: Pearson, 2014.

Cita MLA (8a ed.)

Dugopolski, Mark. College Algebra & Trigonometry: A Unit Circle Approach. Fifth edition, Pearson new international edition. Pearson, 2014.