Gaya APA

Beckenbach, E, F., William, I, D, I, I, W. (1965). **Essentials of college algebra . California: California: Wadsworth; 1965..

Gaya MLA

Beckenbach, Edwin, F.., William, I., Drooyan,, Irving, II., Wooton,. "**Essentials of college algebra". California: California: Wadsworth; 1965., 1965. Text.