Martin, D. (1991). Geographic information systems and their socioeconomic applications. Routledge.
Chicago-Zitierstil (17. Ausg.)Martin, David. Geographic Information Systems and Their Socioeconomic Applications. London ; New York: Routledge, 1991.
MLA-Zitierstil (9. Ausg.)Martin, David. Geographic Information Systems and Their Socioeconomic Applications. Routledge, 1991.