United States. Division of Emergency Health Services. (1971). Ambulance services and hospital emergency departments: Digest of surveys conducted 1965 to March 1971.
Cytowanie według stylu Chicago (wyd. 17)United States. Division of Emergency Health Services. Ambulance Services and Hospital Emergency Departments: Digest of Surveys Conducted 1965 to March 1971. Rockville, Md, 1971.
Cytowanie według stylu MLA (wyd. 8)United States. Division of Emergency Health Services. Ambulance Services and Hospital Emergency Departments: Digest of Surveys Conducted 1965 to March 1971. 1971.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..