APA-viite (7. p.)

Safier, F. (2020). Schaum's outline of precalculus (First edition.). McGraw-Hill Education.

Chicago-viite (17. p.)

Safier, Fred. Schaum's Outline of Precalculus. First edition. New York: McGraw-Hill Education, 2020.

MLA-viite (9. p.)

Safier, Fred. Schaum's Outline of Precalculus. First edition. McGraw-Hill Education, 2020.