Cita APA (7th ed.)
O'brien, R. C. (1977). Dental radiology: An introduction for dental hygienists and assistants. W. B.
Cita Chicago (17th ed.)
O'brien, Richard C. Dental Radiology: An Introduction for Dental Hygienists and Assistants. London: W. B, 1977.
Cita MLA (9th ed.)
O'brien, Richard C. Dental Radiology: An Introduction for Dental Hygienists and Assistants. W. B, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.