APA ציטוט

Maguire, D. J., & Goodchild, M. F. (1991). Geographical information systems: Principles and applications. Longman scientific and Technical.

Chicago Style (17th ed.) Citation

Maguire, David J., and Michael F. Goodchild. Geographical Information Systems: Principles and Applications. Harlow, Essex, England: Longman scientific and Technical, 1991.

ציטוט MLA

Maguire, David J., and Michael F. Goodchild. Geographical Information Systems: Principles and Applications. Longman scientific and Technical, 1991.