Li, Y., & Kaiser, G. (2011). Expertise in mathematics instruction: An international perspective (1a. ed.). Springer.
Lua i Stíl Chicago (17ú heag.)Li, Yeping, agus Gabriele Kaiser. Expertise in Mathematics Instruction: An International Perspective. 1a. ed. Nueva York: Springer, 2011.
Lua MLA (9ú heag.)Li, Yeping, agus Gabriele Kaiser. Expertise in Mathematics Instruction: An International Perspective. 1a. ed. Springer, 2011.
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