Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.