Mierkiewics, D., & technical. (1978). Recent research concerning the development of spatial and geometric concepts. ERIC Clearinghouse for Science.
Citazione stile Chigago Style (17a edizione)Mierkiewics, Diane, e technical. Recent Research Concerning the Development of Spatial and Geometric Concepts. Columbus: ERIC Clearinghouse for Science, 1978.
Citatione MLA (9a ed.)Mierkiewics, Diane, e technical. Recent Research Concerning the Development of Spatial and Geometric Concepts. ERIC Clearinghouse for Science, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.