World Health Organization. (2000). Healthy ageing development. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. Healthy Ageing Development. Geneva: World Health Organization, 2000.
ציטוט MLAWorld Health Organization. Healthy Ageing Development. World Health Organization, 2000.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.