APA (7e ed.) Bronvermelding

Mierkiewics, D., & technical. (1978). Recent research concerning the development of spatial and geometric concepts. ERIC Clearinghouse for Science.

Chicago (17e ed.) Bronvermelding

Mierkiewics, Diane, en technical. Recent Research Concerning the Development of Spatial and Geometric Concepts. Columbus: ERIC Clearinghouse for Science, 1978.

MLA (9e ed.) Bronvermelding

Mierkiewics, Diane, en technical. Recent Research Concerning the Development of Spatial and Geometric Concepts. ERIC Clearinghouse for Science, 1978.