(1981). Priorities in school mathematics: Executive summary of the PRISM Project.
Chicago-čujuhus (17. p.)Priorities in School Mathematics: Executive Summary of the PRISM Project. 1981.
MLA-čujuhus (9. p.)Priorities in School Mathematics: Executive Summary of the PRISM Project. 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.