(1978). New directions for child development. Jossey-Bass.
Chicago-čujuhus (17. p.)New Directions for Child Development. San Francisco: Jossey-Bass, 1978.
MLA-čujuhus (9. p.)New Directions for Child Development. Jossey-Bass, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.