Cita APA (7th ed.)

LAURINI, R., & THOMPSON, D. (1993). Fundamentals of spatial information systems. Academic Press.

Cita Chicago (17th ed.)

LAURINI, Robert, i Derek THOMPSON. Fundamentals of Spatial Information Systems. California: Academic Press, 1993.

Cita MLA (9th ed.)

LAURINI, Robert, i Derek THOMPSON. Fundamentals of Spatial Information Systems. Academic Press, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.