APA

Daniel P. A. e. a., .BSc practical physics. : G B Corporation, Ernakulam.

Chicago

Daniel P A et al, .BSc practical physics. : G B Corporation, Ernakulam.

Harvard

Daniel P. A. e. a., .BSc practical physics. : G B Corporation, Ernakulam.

MLA

Daniel P A et al, .: G B Corporation, Ernakulam. .