World Health Organization. (1993). Environmental and health aspects of planning urban areas. WHO.
Chicago Style (17th ed.) CitationWorld Health Organization. Environmental and Health Aspects of Planning Urban Areas. Geneva: WHO, 1993.
ציטוט MLAWorld Health Organization. Environmental and Health Aspects of Planning Urban Areas. WHO, 1993.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.