Gaya APA
WHO, . (2010).
Classification of Procedures: ICD-9-CM 2010 International Classification of Diseases, Clinical Modification (9th revision).
s.l:
Compaq Computer Corporation.
Gaya MLA
WHO, .
"Classification of Procedures: ICD-9-CM 2010 International Classification of Diseases, Clinical Modification".
9th revision
s.l:
Compaq Computer Corporation,
2010.
Text.