National Council for the Social Studies. (1951). The teaching of contemporary affairs. s.n.
Chicago-referens (17:e uppl.)National Council for the Social Studies. The Teaching of Contemporary Affairs. Washington, D.C: s.n, 1951.
MLA-referens (9:e uppl.)National Council for the Social Studies. The Teaching of Contemporary Affairs. s.n, 1951.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.