APA (7e ed.) Bronvermelding

Lehrer, R., Slovin, H., Dougherty, B. J., & Zbiek, R. M. Developing essential understanding of geometry and measurement for teaching mathematics in grades 3-5.

Chicago (17e ed.) Bronvermelding

Lehrer, Richard, Hannah Slovin, Barbara J. Dougherty, en Rose Mary Zbiek. Developing Essential Understanding of Geometry and Measurement for Teaching Mathematics in Grades 3-5.

MLA (8e ed.) Bronvermelding

Lehrer, Richard, et al. Developing Essential Understanding of Geometry and Measurement for Teaching Mathematics in Grades 3-5.