Martin, D. (1991). Geographic information systems and their socioeconomic applications. Routledge.
Chicago Style (17. basım) AtıfMartin, David. Geographic Information Systems and Their Socioeconomic Applications. London ; New York: Routledge, 1991.
MLA (9th ed.) AtıfMartin, David. Geographic Information Systems and Their Socioeconomic Applications. Routledge, 1991.