National Research Council (U.S.). Mathematical Sciences Education Board & Bass, H. (1993). Measuring what counts: A policy brief. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Research Council (U.S.). Mathematical Sciences Education Board ба Hyman Bass. Measuring What Counts: A Policy Brief. Washington, D.C.: National Academy Press, 1993.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Research Council (U.S.). Mathematical Sciences Education Board ба Hyman Bass. Measuring What Counts: A Policy Brief. National Academy Press, 1993.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.