Gaya APA

Beckenbach, E, F. (1968). Modern college algebra and trigonometry / by Edwin F. Beckenbach and Irving Drooyan . : Wadwardth.

Gaya MLA

Beckenbach, Edwin, F. "Modern college algebra and trigonometry / by Edwin F. Beckenbach and Irving Drooyan". : Wadwardth, 1968. Referensi.