(2009). Correct Your English Errors Collins, Tim. International Book House PVt.Ltd.
Chicago-čujuhus (17. p.)Correct Your English Errors Collins, Tim. New Delhi: International Book House PVt.Ltd, 2009.
MLA-čujuhus (9. p.)Correct Your English Errors Collins, Tim. International Book House PVt.Ltd, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.