APA (7th ed.) Zitazioa

Gilbert, L., & Gilbert, J. (1990). Precalculus: Functions and graphs. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Gilbert, Linda, eta Jimmie Gilbert. Precalculus: Functions and Graphs. New York: McGraw-Hill, 1990.

MLA (9th ed.) Zitazioa

Gilbert, Linda, eta Jimmie Gilbert. Precalculus: Functions and Graphs. McGraw-Hill, 1990.