APA
World Health Organization, . (1997). Application of the international classification of diseases to neurology :ICD - NA. WHO, Geneva: .
Chicago
World Health Organization, . 1997. Application of the international classification of diseases to neurology :ICD - NA. WHO, Geneva: .
Harvard
World Health Organization, . (1997). Application of the international classification of diseases to neurology :ICD - NA. WHO, Geneva: .
MLA
World Health Organization, . Application of the international classification of diseases to neurology :ICD - NA. WHO, Geneva: . 1997.