Whitin, D. J., & Cox, R. (2003). A mathematical passage: Strategies for promoting inquiry in grades 4-6. Heinemann.
Lua i Stíl Chicago (17ú heag.)Whitin, David Jackman, agus Robin Cox. A Mathematical Passage: Strategies for Promoting Inquiry in Grades 4-6. Portsmouth, N.H: Heinemann, 2003.
Lua MLA (9ú heag.)Whitin, David Jackman, agus Robin Cox. A Mathematical Passage: Strategies for Promoting Inquiry in Grades 4-6. Heinemann, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.