APA (7e ed.) Bronvermelding

Martin, D. (1996). Geographic information systems: Socioeconomic applications (2nd ed.). Routledge.

Chicago (17e ed.) Bronvermelding

Martin, David. Geographic Information Systems: Socioeconomic Applications. 2nd ed. London, New York: Routledge, 1996.

MLA (9e ed.) Bronvermelding

Martin, David. Geographic Information Systems: Socioeconomic Applications. 2nd ed. Routledge, 1996.