Fullformexpand.com, 2026. "USNPMG." Accessed April 26, 2026. https://www.fullformexpand.com/usnpmg/united-states-newspaper-preservation-microfilming-guidelines.
"USNPMG." (n.d.). Fullformexpand.com. Retrieved April 26, 2026, from https://www.fullformexpand.com/usnpmg/united-states-newspaper-preservation-microfilming-guidelines.
USNPMG. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/usnpmg/united-states-newspaper-preservation-microfilming-guidelines (Accessed: 26 April 2026).