APA
World Health Organization. Regional Office for Europe, . (1968). Organization of resuscitation and casualty services. Köpenhamn: World Health Organization. Regional Office for Europe.
Chicago
World Health Organization. Regional Office for Europe, . 1968. Organization of resuscitation and casualty services. Köpenhamn: World Health Organization. Regional Office for Europe.
Harvard
World Health Organization. Regional Office for Europe, . (1968). Organization of resuscitation and casualty services. Köpenhamn: World Health Organization. Regional Office for Europe.
MLA
World Health Organization. Regional Office for Europe, . Organization of resuscitation and casualty services. Köpenhamn: World Health Organization. Regional Office for Europe. 1968.