Fullformexpand.com, 2026. "USGPO." Accessed April 24, 2026. https://www.fullformexpand.com/usgpo/united-states-government-printing-office.
"USGPO." (n.d.). Fullformexpand.com. Retrieved April 24, 2026, from https://www.fullformexpand.com/usgpo/united-states-government-printing-office.
USGPO. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/usgpo/united-states-government-printing-office (Accessed: 24 April 2026).