Gaya APA
Naney, I, L., LC, A, J.
(1979).
Trigonometry; a skills Approach lecture version
.
Boston:
Allynand Bacon.
Gaya MLA
Naney, I., Lolis., LC, And, John.
"Trigonometry; a skills Approach lecture version".
Boston:
Allynand Bacon,
1979.
Text.