APA (7e ed.) Bronvermelding

Flores, A., Dougherty, B. J., Everett, L., & Sophian, C. Developing essential understanding of number and numeration for teaching mathematics in prekindergarten - grade 2 (3a ed., reimpresión.).

Chicago (17e ed.) Bronvermelding

Flores, Alfinio, Barbara J. Dougherty, Louis Everett, en Catherine Sophian. Developing Essential Understanding of Number and Numeration for Teaching Mathematics in Prekindergarten - Grade 2. 3a ed., reimpresión.

MLA (8e ed.) Bronvermelding

Flores, Alfinio, et al. Developing Essential Understanding of Number and Numeration for Teaching Mathematics in Prekindergarten - Grade 2. 3a ed., reimpresión.