Goldenberg, E. P., Douglas H., C., Dougherty, B. J., & Zbiek, R. M. Developing essential understanding of geometry for teaching mathematics in prekindergarten - grade 2.
Цитирование в стиле Чикаго (17-е изд.)Goldenberg, Ernest Paul, Clements Douglas H., Barbara J. Dougherty, и Rose Mary Zbiek. Developing Essential Understanding of Geometry for Teaching Mathematics in Prekindergarten - Grade 2.
Цитирование MLA (8-е изд.)Goldenberg, Ernest Paul, et al. Developing Essential Understanding of Geometry for Teaching Mathematics in Prekindergarten - Grade 2.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.