APA Style
Geographic Information Systems. (1995).
London:
PTRC Education and Research Servicejs Limited.
Chicago Style
Geographic Information Systems.
.
London:
PTRC Education and Research Servicejs Limited,
1995.
.
MLA Style
Geographic Information Systems.
.
London:
PTRC Education and Research Servicejs Limited,
1995.
.
Turabian Style
Geographic Information Systems.
London:
PTRC Education and Research Servicejs Limited,
1995.
.