APA (7e ed.) Bronvermelding

.Lo, C. P., & .Yeung, A. K. W. (2007). Concepts and techniques of geographic information systems (2nd ed.). Pearson Prentice Hall.

Chicago (17e ed.) Bronvermelding

.Lo, C. P., en Albert K. W. .Yeung. Concepts and Techniques of Geographic Information Systems. 2nd ed. .Upper Saddle River, NJ: Pearson Prentice Hall, 2007.

MLA (9e ed.) Bronvermelding

.Lo, C. P., en Albert K. W. .Yeung. Concepts and Techniques of Geographic Information Systems. 2nd ed. Pearson Prentice Hall, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.