Gaya APA

Barker, R, N, A, ;, V, C. (1983). Introductory algebra: an applied approach . Boston: Houghton Mifflin Company Boston.

Gaya MLA

Barker, Richard, N., Aufmann, ;, Vernon, C.. "Introductory algebra: an applied approach". Boston: Houghton Mifflin Company Boston, 1983. Text.