APA (7. basım) Alıntı

Heywood, I., Cornelius, S., & Carver, S. (1998). An introduction to geographical information systems. Prentice-Hall.

Chicago Style (17. basım) Atıf

Heywood, Ian, Sarah Cornelius, ve Steve Carver. An Introduction to Geographical Information Systems. Upper Saddle River: Prentice-Hall, 1998.

MLA (9th ed.) Atıf

Heywood, Ian, et al. An Introduction to Geographical Information Systems. Prentice-Hall, 1998.