APA-ийн эшлэл(7 дахь хэвлэлт)

Martin, D. (1991). Geographic information systems and their socioeconomic applications. Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Martin, David. Geographic Information Systems and Their Socioeconomic Applications. London ; New York: Routledge, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Martin, David. Geographic Information Systems and Their Socioeconomic Applications. Routledge, 1991.