Cita APA (7th ed.)

Kennedy, L. M., & Tipps, S. (2000). Guiding children's learning of mathematics (9th ed.). Wadsworth.

Cita Chicago (17th ed.)

Kennedy, Leonard M., i Steve Tipps. Guiding Children's Learning of Mathematics. 9th ed. Australia: Wadsworth, 2000.

Cita MLA (9th ed.)

Kennedy, Leonard M., i Steve Tipps. Guiding Children's Learning of Mathematics. 9th ed. Wadsworth, 2000.