APA

Davis R. E. e. a., .Principles of chemistry. : Saunders College Publishing, London.

Chicago

Davis Raymond E et al, .Principles of chemistry. : Saunders College Publishing, London.

Harvard

Davis R. E. e. a., .Principles of chemistry. : Saunders College Publishing, London.

MLA

Davis Raymond E et al, .: Saunders College Publishing, London. .