APA

Daniel C. J. e. a., .Pre-degree physics. : Co-Operative Publishers, Ernakulam.

Chicago

Daniel C J et al, .Pre-degree physics. : Co-Operative Publishers, Ernakulam.

Harvard

Daniel C. J. e. a., .Pre-degree physics. : Co-Operative Publishers, Ernakulam.

MLA

Daniel C J et al, .: Co-Operative Publishers, Ernakulam. .