Gaya APA

N.Aufmann, R., Barker, V, C. (1983). Introductory Algebra An Applied Approach . Boston: Houghton Mifflin Company.

Gaya MLA

N.Aufmann, Richard., Barker, Vernon, C.. "Introductory Algebra An Applied Approach". Boston: Houghton Mifflin Company, 1983. Text.