Harrel, W. (1997). Coreldraw 7: Secrets. Comdex.
Chicago-čujuhus (17. p.)Harrel, William. Coreldraw 7: Secrets. New delhi: Comdex, 1997.
MLA-čujuhus (9. p.)Harrel, William. Coreldraw 7: Secrets. Comdex, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.