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.