APA ציטוט

Bolstad, P. GIS fundamentals: A first text on geographic information systems (4a ed.).

Chicago Style (17th ed.) Citation

Bolstad, Paul. GIS Fundamentals: A First Text on Geographic Information Systems. 4a ed.

ציטוט MLA

Bolstad, Paul. GIS Fundamentals: A First Text on Geographic Information Systems. 4a ed.