APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.