Roth, R. M. (1970). Underachieving students and guidance. Houghton Mifflin.
Chicago-čujuhus (17. p.)Roth, Robert M. Underachieving Students and Guidance. New York: Houghton Mifflin, 1970.
MLA-čujuhus (9. p.)Roth, Robert M. Underachieving Students and Guidance. Houghton Mifflin, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.