Lua APA (7ú heag.)

KENNEDY, L. M., & TIPPS, S. (2003). Guiding children's learning of mathematics.-- ed.9. Wadsworth.

Lua i Stíl Chicago (17ú heag.)

KENNEDY, Leornard M., agus Steve TIPPS. Guiding Children's Learning of Mathematics.-- Ed.9. Australia: Wadsworth, 2003.

Lua MLA (9ú heag.)

KENNEDY, Leornard M., agus Steve TIPPS. Guiding Children's Learning of Mathematics.-- Ed.9. Wadsworth, 2003.

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