Cita APA (7th ed.)

Duckham, M., Goodchild, M. F., & Worboys, M. (2003). Foundations of geographic information science. London : Taylor & Francis.

Cita Chicago (17th ed.)

Duckham, Matt, Michael F. Goodchild, i Michael Worboys. Foundations of Geographic Information Science. London : Taylor & Francis, 2003.

Cita MLA (9th ed.)

Duckham, Matt, et al. Foundations of Geographic Information Science. London : Taylor & Francis, 2003.