Friedmann, G. (1980). Emergency roentgen diagnosis. Year Book Medical.
Cita Chicago (17th ed.)Friedmann, G. Emergency Roentgen Diagnosis. Year Book Medical, 1980.
Cita MLA (9th ed.)Friedmann, G. Emergency Roentgen Diagnosis. Year Book Medical, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.