Watkins, F. C. (1978). Practical English Handbook. Houghton Mifflin.
Chicago-čujuhus (17. p.)Watkins, Floyd C. Practical English Handbook. Boston: Houghton Mifflin, 1978.
MLA-čujuhus (9. p.)Watkins, Floyd C. Practical English Handbook. Houghton Mifflin, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.