National Mathematics Institute. (1964). 1964 National Mathematics Institute: Final report. Office for the Bureau of Public Schools and the United States Peace Corps.
Chicago-referens (17:e uppl.)National Mathematics Institute. 1964 National Mathematics Institute: Final Report. Baguio City: Office for the Bureau of Public Schools and the United States Peace Corps, 1964.
MLA-referens (9:e uppl.)National Mathematics Institute. 1964 National Mathematics Institute: Final Report. Office for the Bureau of Public Schools and the United States Peace Corps, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.