APA

Aggarwal S., . (1996). A textbook of biology. New delhi: Vicas publishing house pvt ltd.

Chicago

Aggarwal Sarita, . 1996. A textbook of biology. New delhi: Vicas publishing house pvt ltd.

Harvard

Aggarwal S., . (1996). A textbook of biology. New delhi: Vicas publishing house pvt ltd.

MLA

Aggarwal Sarita, . A textbook of biology. New delhi: Vicas publishing house pvt ltd. 1996.