APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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