Zanibbi, R. Document Recognition and Retrieval XX. SPIE Digital Library.
Chicago-čujuhus (17. p.)Zanibbi, Richard. Document Recognition and Retrieval XX. SPIE Digital Library.
MLA-čujuhus (9. p.)Zanibbi, Richard. Document Recognition and Retrieval XX. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.