APA Citation

Lo, C., & Yeung, K. (2006). Concept and techniques of geographic information systems. New Delhi: PHI.

Chicago Style Citation

Lo, C.P., and K.W Yeung. Concept and Techniques of Geographic Information Systems. New Delhi: PHI, 2006.

MLA Citation

Lo, C.P., and K.W Yeung. Concept and Techniques of Geographic Information Systems. New Delhi: PHI, 2006.

Warning: These citations may not always be 100% accurate.