Cita APA (7th ed.)
Fu, P., & Sun, J. (2011). Web GIS: Principles and applications. ESRI Press.
Cita Chicago (17th ed.)
Fu, Pinde, i Jiulin Sun. Web GIS: Principles and Applications. Redlands, Calif.: ESRI Press, 2011.
Cita MLA (9th ed.)
Fu, Pinde, i Jiulin Sun. Web GIS: Principles and Applications. ESRI Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.