U.S. Dept. of State. (1950). Point four: Cooperative program for aid in the development of economically underdeveloped areas. s.n.
Chicago Style (17th ed.) CitationU.S. Dept. of State. Point Four: Cooperative Program for Aid in the Development of Economically Underdeveloped Areas. Washington: s.n, 1950.
MLA引文U.S. Dept. of State. Point Four: Cooperative Program for Aid in the Development of Economically Underdeveloped Areas. s.n, 1950.
警告:這些引文格式不一定是100%准確.