Citazione Stile APA (7a Edizione)

(1959). The growth of mathematical ideas: Grades k - 12. The National Council of Teachers of Mathematics.

Citazione stile Chigago Style (17a edizione)

The Growth of Mathematical Ideas: Grades K - 12. Washington, D. C: The National Council of Teachers of Mathematics, 1959.

Citatione MLA (9a ed.)

The Growth of Mathematical Ideas: Grades K - 12. The National Council of Teachers of Mathematics, 1959.