Goldenberg, E. P., Douglas H., C., Dougherty, B. J., & Zbiek, R. M. Developing essential understanding of geometry for teaching mathematics in prekindergarten - grade 2.
Čikaški stil citiranja (17. izdanje)Goldenberg, Ernest Paul, Clements Douglas H., Barbara J. Dougherty, i Rose Mary Zbiek. Developing Essential Understanding of Geometry for Teaching Mathematics in Prekindergarten - Grade 2.
MLA način citiranja (8. izdanje)Goldenberg, Ernest Paul, et al. Developing Essential Understanding of Geometry for Teaching Mathematics in Prekindergarten - Grade 2.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.