National Foreign Assessment Center (U.S.). (1979). USSR, trends and prospects in educational attainment, 1959-85. The Center.
Chicago Style (17th ed.) CitationNational Foreign Assessment Center (U.S.). USSR, Trends and Prospects in Educational Attainment, 1959-85. Washington: The Center, 1979.
MLA引文National Foreign Assessment Center (U.S.). USSR, Trends and Prospects in Educational Attainment, 1959-85. The Center, 1979.
警告:這些引文格式不一定是100%准確.