APA aipamena

World Health Organization. (1978). International classification of procedures in medicine. World Health Organization.

Chicago Style aipamena

World Health Organization. International Classification of Procedures in Medicine. Geneva: World Health Organization, 1978.

MLA aipamena

World Health Organization. International Classification of Procedures in Medicine. World Health Organization, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.