(2009). World health statistics 2009.
Chicago Style (17th ed.) CitationWorld Health Statistics 2009. 2009.
ציטוט MLAWorld Health Statistics 2009. 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
(2009). World health statistics 2009.
Chicago Style (17th ed.) CitationWorld Health Statistics 2009. 2009.
ציטוט MLAWorld Health Statistics 2009. 2009.