Gaya APA

Beecher, J, A., Keedy, B. (1983). Intermediate algebra : students`s guide to exercises for and algebra (4th.ed.). Reading, Massachusetts: Addison-Wesley.

Gaya MLA

Beecher, Judith, A.., Keedy, Bittinger. "Intermediate algebra : students`s guide to exercises for and algebra". 4th.ed. Reading, Massachusetts: Addison-Wesley, 1983. Text.