Berk, L. E. (1997). Child development (4th.ed.). Allyn and Bacon.
Chicago-čujuhus (17. p.)Berk, Laura E. Child Development. 4th.ed. Boston: Allyn and Bacon, 1997.
MLA-čujuhus (9. p.)Berk, Laura E. Child Development. 4th.ed. Allyn and Bacon, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.