APA Style
Das, B., Mukharjee, B.
(1992).
Intermediate Trigonometry
.
New Delhi:
U.N.Dhur & Sons Pvt. Ltd..
MLA Style
Das, B.C.., Mukharjee, B.N..
"Intermediate Trigonometry".
New Delhi:
U.N.Dhur & Sons Pvt. Ltd.,
1992.
Text.