APA

Tewari, . (1990). Refresher course in BSc organic chemistry. : S Chand & Company Pvt Ltd., New Delhi.

Chicago

Tewari, . 1990. Refresher course in BSc organic chemistry. : S Chand & Company Pvt Ltd., New Delhi.

Harvard

Tewari, . (1990). Refresher course in BSc organic chemistry. : S Chand & Company Pvt Ltd., New Delhi.

MLA

Tewari, . Refresher course in BSc organic chemistry. : S Chand & Company Pvt Ltd., New Delhi. 1990.