Wilburn, R. E. (2000). Understanding the preschooler. P. Lang.
Chicago-čujuhus (17. p.)Wilburn, Reudene E. Understanding the Preschooler. New York: P. Lang, 2000.
MLA-čujuhus (9. p.)Wilburn, Reudene E. Understanding the Preschooler. P. Lang, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.