APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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