National Council of Teachers of Mathematics. (1965). Aids for evaluators of mathematics textbooks: Report of the Committee on criteria for the analysis of instructional materials. s.n.
Chicago-referens (17:e uppl.)National Council of Teachers of Mathematics. Aids for Evaluators of Mathematics Textbooks: Report of the Committee on Criteria for the Analysis of Instructional Materials. Washington, D. C: s.n, 1965.
MLA-referens (9:e uppl.)National Council of Teachers of Mathematics. Aids for Evaluators of Mathematics Textbooks: Report of the Committee on Criteria for the Analysis of Instructional Materials. s.n, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.