Yeung, A. K. (2006). Concepts and techniques of geographic information: Systems. Prentice Hall.
Citazione stile Chigago Style (17a edizione)Yeung, Albert K.W. Concepts and Techniques of Geographic Information: Systems. New Delhi: Prentice Hall, 2006.
Citatione MLA (9a ed.)Yeung, Albert K.W. Concepts and Techniques of Geographic Information: Systems. Prentice Hall, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.