Gaya APA
Cable, J, L., NANNEY, J, L.
(1980).
TRIGONOMETRY: A SKILL APPROACH
.
Boston:
Allyn And Bacon.
Gaya MLA
Cable, John, L.., NANNEY, J, Louis..
"TRIGONOMETRY: A SKILL APPROACH".
Boston:
Allyn And Bacon,
1980.
Textbook.