APA-čujuhus (7. p.)
ebrary, Inc, & Nata, R. V. (2009). Progress in education. Nova Science Publishers, Inc..
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Robert V. Nata. Progress in Education. New York: Nova Science Publishers, Inc., 2009.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Robert V. Nata. Progress in Education. Nova Science Publishers, Inc., 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.