Gaya APA

Caldwell, R, C., Stallard, R, E. (1977). A Textbook Of Preventive Dentistry . Philadelphia: W.B. Saunders Company.

Gaya MLA

Caldwell, Robert, C.., Stallard, Richard, E.. "A Textbook Of Preventive Dentistry". Philadelphia: W.B. Saunders Company, 1977. Text.