APA
(1988). Mathematics: A textbook for class 11th. Part 1. New Delhi, India: National Council of Educational Research and Training.
Chicago
1988. Mathematics: A textbook for class 11th. Part 1. New Delhi, India: National Council of Educational Research and Training.
Harvard
(1988). Mathematics: A textbook for class 11th. Part 1. New Delhi, India: National Council of Educational Research and Training.
MLA
Mathematics: A textbook for class 11th. Part 1. New Delhi, India: National Council of Educational Research and Training. 1988.