APA

Sankaran M. S. S. A., . (1995). Biology for Class XI. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Sankaran M S Sharma A, . 1995. Biology for Class XI. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Sankaran M. S. S. A., . (1995). Biology for Class XI. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Sankaran M S Sharma A, . Biology for Class XI. : TATA McGraw-Hill Publishing Company, New Delhi. 1995.