Gaya APA
Tobey, J., Hameling, H. (1980).
Study Guide to Accompany Nanney & Cable's Trigonometry .
Boston:
Allyn and Bacon Inc.
Gaya MLA
Tobey, John., Hameling, Henry.
"Study Guide to Accompany Nanney & Cable's Trigonometry".
Boston:
Allyn and Bacon Inc,
1980.
Text.