APA (7th ed.) Citation

(2009). GSM: Architecture, protocols and services (3rd ed., English lang. ed.). Wiley.

Chicago Style (17th ed.) Citation

GSM: Architecture, Protocols and Services. 3rd ed., English lang. ed. Chichester, U.K: Wiley, 2009.

MLA (9th ed.) Citation

GSM: Architecture, Protocols and Services. 3rd ed., English lang. ed. Wiley, 2009.

Warning: These citations may not always be 100% accurate.