Gaya APA

ICD, . (2011). ICD 9 CM - international classification of disease 9th revision clinical modification : procedures tabular list and alphabetic index (Ed.9). : World Health Organization Geneva.

Gaya MLA

ICD, . "ICD 9 CM - international classification of disease 9th revision clinical modification : procedures tabular list and alphabetic index". Ed.9 : World Health Organization Geneva, 2011. Text.