(1988). International classification of diseases 9th revision clinical modification. Arbor.
Cita Chicago (17th ed.)International Classification of Diseases 9th Revision Clinical Modification. Michigan: Arbor, 1988.
Cita MLA (9th ed.)International Classification of Diseases 9th Revision Clinical Modification. Arbor, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.