APA aipamena

Davis, B. Spatial reasoning in the early years: Principles, assertions, and speculations (1a ed.).

Chicago Style aipamena

Davis, Brent. Spatial Reasoning in the Early Years: Principles, Assertions, and Speculations. 1a ed.

MLA aipamena

Davis, Brent. Spatial Reasoning in the Early Years: Principles, Assertions, and Speculations. 1a ed.