World Health Organization. (2012). World health statistics 2012. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. World Health Statistics 2012. Geneva, Switzerland: World Health Organization, 2012.
ציטוט MLAWorld Health Organization. World Health Statistics 2012. World Health Organization, 2012.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.