APA (7th ed.) Citation

Singh, B. (2003). Biology: Textbook for class XII. National Council of Educational Research and Training.

Chicago Style (17th ed.) Citation

Singh, B.D. Biology: Textbook for Class XII. New Delhi: National Council of Educational Research and Training, 2003.

MLA (9th ed.) Citation

Singh, B.D. Biology: Textbook for Class XII. National Council of Educational Research and Training, 2003.

Warning: These citations may not always be 100% accurate.