Cita APA (7th ed.)
Kaplan, E. D., & Hegarty, C. (2006). Understanding GPS: Principles and applications (2nd ed.). Artech House.
Cita Chicago (17th ed.)
Kaplan, Elliott D., i C. Hegarty. Understanding GPS: Principles and Applications. 2nd ed. Boston: Artech House, 2006.
Cita MLA (9th ed.)
Kaplan, Elliott D., i C. Hegarty. Understanding GPS: Principles and Applications. 2nd ed. Artech House, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.