Gaya APA
THOMPSON, J, E.
(1982).
Trigonometry for The Practical Worker
(
4)
.
U S A:
Van Nostrand Reinhold.
Gaya MLA
THOMPSON, James, Edgar.
"Trigonometry for The Practical Worker".
4
U S A:
Van Nostrand Reinhold,
1982.
Printed.