Fullformexpand.com, 2026. "GUDID." Accessed April 15, 2026. https://www.fullformexpand.com/gudid/global-unique-device-identification-database.
"GUDID." (n.d.). Fullformexpand.com. Retrieved April 15, 2026, from https://www.fullformexpand.com/gudid/global-unique-device-identification-database.
GUDID. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/gudid/global-unique-device-identification-database (Accessed: 15 April 2026).