Yeung, A. K. (2006). Concepts and techniques of geographic information: Systems. Prentice Hall.
Chicago-čujuhus (17. p.)Yeung, Albert K.W. Concepts and Techniques of Geographic Information: Systems. New Delhi: Prentice Hall, 2006.
MLA-čujuhus (9. p.)Yeung, Albert K.W. Concepts and Techniques of Geographic Information: Systems. Prentice Hall, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.