Cita APA

Zill, D. G., & Dewar, J. M. (1990). College Algebra. USA: McGraw-Hill Publishing Company.

Chicago Style Citation

Zill, Dennis G., i Jacqueline M. Dewar. College Algebra. USA: McGraw-Hill Publishing Company, 1990.

Cita MLA

Zill, Dennis G., i Jacqueline M. Dewar. College Algebra. USA: McGraw-Hill Publishing Company, 1990.