APA-referens (7:e uppl.)

Conklin, M., & Sheffield, S. It Makes sense! using the hundreds chart to build number sense. Grades K-2: Strategies, activities interventions to nove students beyond memorization.

Chicago-referens (17:e uppl.)

Conklin, Melissa, och Stephanie Sheffield. It Makes Sense! Using the Hundreds Chart to Build Number Sense. Grades K-2: Strategies, Activities Interventions to Nove Students Beyond Memorization.

MLA-referens (8:e uppl.)

Conklin, Melissa, och Stephanie Sheffield. It Makes Sense! Using the Hundreds Chart to Build Number Sense. Grades K-2: Strategies, Activities Interventions to Nove Students Beyond Memorization.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.