William D. Perreault, J., & McCarthy, E. J. (1971). Learning Aid for use with.
Chicago-čujuhus (17. p.)William D. Perreault, Jr, juo E. Jerome McCarthy. Learning Aid for Use with. 1971.
MLA-čujuhus (9. p.)William D. Perreault, Jr, juo E. Jerome McCarthy. Learning Aid for Use with. 1971.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.