(1979). American journal of education. University of Chicago Press.
Chicago-čujuhus (17. p.)American Journal of Education. Chicago, Ill.: University of Chicago Press, 1979.
MLA-čujuhus (9. p.)American Journal of Education. University of Chicago Press, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.