APA-viite (7. p.)

STEINLAGE, R. C. (1981). College algebra and trigonometry. Goodyear Pub. Co.

Chicago-viite (17. p.)

STEINLAGE, Ralph C. College Algebra and Trigonometry. California: Goodyear Pub. Co, 1981.

MLA-viite (9. p.)

STEINLAGE, Ralph C. College Algebra and Trigonometry. Goodyear Pub. Co, 1981.