-. (1968). A language - teaching bibliography. University press.
Chicago-čujuhus (17. p.)-. A Language - Teaching Bibliography. Cambridge: University press, 1968.
MLA-čujuhus (9. p.)-. A Language - Teaching Bibliography. University press, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.