(1980). Human development / the Jesuit Educational Center for Human Development.
Chicago-čujuhus (17. p.)Human Development / the Jesuit Educational Center for Human Development. 1980.
MLA-čujuhus (9. p.)Human Development / the Jesuit Educational Center for Human Development. 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.