APA

Puri B. R. e. a., . (1986). Principles of physical chemistry. : Shoban Lal Nagin Chand & Company, New Delhi.

Chicago

Puri B R et al, . 1986. Principles of physical chemistry. : Shoban Lal Nagin Chand & Company, New Delhi.

Harvard

Puri B. R. e. a., . (1986). Principles of physical chemistry. : Shoban Lal Nagin Chand & Company, New Delhi.

MLA

Puri B R et al, . Principles of physical chemistry. : Shoban Lal Nagin Chand & Company, New Delhi. 1986.