APA ציטוט

Steffensen, A. R., & Johnson, L. M. (1991). Intermediate algebra (4th ed.). HarperCollins.

Chicago Style (17th ed.) Citation

Steffensen, Arnold R., and L. Murphy Johnson. Intermediate Algebra. 4th ed. New York: HarperCollins, 1991.

ציטוט MLA

Steffensen, Arnold R., and L. Murphy Johnson. Intermediate Algebra. 4th ed. HarperCollins, 1991.