Steffensen, A. R., & Johnson, L. (1991). Intermediate algebra (4th ed.). New York: Harper Collins Publishers.
Chicago ZitierstilSteffensen, Arnold R., and L.Murphy Johnson. Intermediate Algebra. 4th ed. New York: Harper Collins Publishers, 1991.
MLA ZitierstilSteffensen, Arnold R., and L.Murphy Johnson. Intermediate Algebra. 4th ed. New York: Harper Collins Publishers, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.