World Health Organization. (2011). Guide to ship sanitation. World Health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization. Guide to Ship Sanitation. Geneva, Switzerland: World Health Organization, 2011.
ציטוט MLAWorld Health Organization. Guide to Ship Sanitation. World Health Organization, 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.