APA

, . (2007). A Textbook of Trigonometry. New Delhi: Arihant Publications.

Chicago

, . 2007. A Textbook of Trigonometry. New Delhi: Arihant Publications.

Harvard

, . (2007). A Textbook of Trigonometry. New Delhi: Arihant Publications.

MLA

, . A Textbook of Trigonometry. New Delhi: Arihant Publications. 2007.