National Foreign Assessment Center (U.S.). (1979). USSR, trends and prospects in educational attainment, 1959-85. The Center.
Chicago-referens (17:e uppl.)National Foreign Assessment Center (U.S.). USSR, Trends and Prospects in Educational Attainment, 1959-85. Washington: The Center, 1979.
MLA-referens (8:e uppl.)National Foreign Assessment Center (U.S.). USSR, Trends and Prospects in Educational Attainment, 1959-85. The Center, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.