Elsworth, D. H. (200). Motivation in education. New York : Nova Science Publishers.
Chicago-čujuhus (17. p.)Elsworth, Desmond H. Motivation in Education. New York : Nova Science Publishers, 200.
MLA-čujuhus (9. p.)Elsworth, Desmond H. Motivation in Education. New York : Nova Science Publishers, 200.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.