United Nations. (1964). Studie in long term eco. projections. U.N.
Chicago Style (17th ed.) CitationUnited Nations. Studie in Long Term Eco. Projections. New York: U.N, 1964.
ציטוט MLAUnited Nations. Studie in Long Term Eco. Projections. U.N, 1964.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.