APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.