Kennedy, L. M., & Tipps, S. (1997). Guiding children's learning of mathematics (8th ed.). Wadsworth.
芝加哥风格引文Kennedy, Leonard M., 与 Steve Tipps. Guiding Children's Learning of Mathematics. 8th ed. Belmont, CA: Wadsworth, 1997.
MLA引文Kennedy, Leonard M., 与 Steve Tipps. Guiding Children's Learning of Mathematics. 8th ed. Wadsworth, 1997.
警告：这些引文格式不一定是100％准确.