Gaya APA

, ., teac, T, N, C, O. (1967). The Growth of Mathematical Ideas grades k - 12 . The National Council of Teache: The National Council of Teachers of Mathematics, 1967.

Gaya MLA

, ., teac, The, National, Council, Of. "The Growth of Mathematical Ideas grades k - 12". The National Council of Teache: The National Council of Teachers of Mathematics, 1967, 1967. .