APA

Sankaran M. S., . (1990). Biology: For class XII. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Sankaran M S, . 1990. Biology: For class XII. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Sankaran M. S., . (1990). Biology: For class XII. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Sankaran M S, . Biology: For class XII. : TATA McGraw-Hill Publishing Company, New Delhi. 1990.