APA ציטוט

Steffensen, A. R., & Johnson, L. M. (1981). Algebra and trigonometry. Scott, Foresman and Company.

Chicago Style (17th ed.) Citation

Steffensen, Arnold R., and L. Murphy Johnson. Algebra and Trigonometry. Glenview, IL: Scott, Foresman and Company, 1981.

ציטוט MLA

Steffensen, Arnold R., and L. Murphy Johnson. Algebra and Trigonometry. Scott, Foresman and Company, 1981.