Gaya APA
Beckenbach, E, F. et al
(1981).
Modern College Algebra & Trigonometry
(
4)
.
USA:
Wadsworth, Inc.
Gaya MLA
Beckenbach, Edwin, F.. et al.
"Modern College Algebra & Trigonometry".
4
USA:
Wadsworth, Inc,
1981.
Text.