You can use the appropriate citation option from below to add a reference to this page.
"DO-39." Fullformexpand.com, https://www.fullformexpand.com/do-39/359113. Accessed 3 Jan. 2026.
Fullformexpand.com, 2026. "DO-39." Accessed January 3, 2026. https://www.fullformexpand.com/do-39/359113.
"DO-39." (n.d.). Fullformexpand.com. Retrieved January 3, 2026, from https://www.fullformexpand.com/do-39/359113.
DO-39. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/do-39/359113 (Accessed: 3 January 2026).