Cita APA (7th ed.)

Schmidt, P. A. (1989). 3000 solved problems in precalculus. McGraw-Hill.

Cita Chicago (17th ed.)

Schmidt, Philip A. 3000 Solved Problems in Precalculus. New York: McGraw-Hill, 1989.

Cita MLA (9th ed.)

Schmidt, Philip A. 3000 Solved Problems in Precalculus. McGraw-Hill, 1989.