Gaya APA

Precalculus. (2007). New York: [s.n.].

Gaya Chicago

Precalculus. . New York: [s.n.], 2007. Text.

Gaya MLA

Precalculus. . New York: [s.n.], 2007. Text.

Gaya Turabian

Precalculus. New York: [s.n.], 2007. Print.