Παραπομπή σε μορφή APA (7η εκδ.)

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.).

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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