Gaya APA

Bittiger, M, L., Keedy, M, , L. (1986). A Problem Intermediate Algebra . California: Addison-Wesley Publising Company.

Gaya MLA

Bittiger, Marvin, L.., Keedy, Marvin, , L.. "A Problem Intermediate Algebra". California: Addison-Wesley Publising Company, 1986. Text.