Gaya APA

Kaplan, E, D., Hegarty, C, J. (2017). Understanding GPS/GNSS : Principles and applications third edition (Edisi Ketiga). London: Artech House.

Gaya MLA

Kaplan, Elliott, D.., Hegarty, Christopher, J.. "Understanding GPS/GNSS : Principles and applications third edition". Edisi Ketiga London: Artech House, 2017. Text.