Otto, A. D., Caldwell, J. H., Lubinski, C. A., & Hancock, S. W. Developing essential understanding of multiplication and division for teaching mathematics in grades 3-5.
Lua i Stíl Chicago (17ú heag.)Otto, Albert Dean, Janet H. Caldwell, Cheryl Ann Lubinski, agus Sarah Wallus Hancock. Developing Essential Understanding of Multiplication and Division for Teaching Mathematics in Grades 3-5.
Lua MLA (8ú heag.)Otto, Albert Dean, et al. Developing Essential Understanding of Multiplication and Division for Teaching Mathematics in Grades 3-5.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.