APA ציטוט
World Health Organization & ebrary, Inc. (2009). International travel and health: Situation as on 1 January 2009. World Health Organization.
Chicago Style (17th ed.) Citation
World Health Organization and Inc ebrary. International Travel and Health: Situation as on 1 January 2009. Geneva: World Health Organization, 2009.
ציטוט MLA
World Health Organization and Inc ebrary. International Travel and Health: Situation as on 1 January 2009. World Health Organization, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.