You can use the appropriate citation option from below to add a reference to this page.
"GUO." Fullformexpand.com, https://www.fullformexpand.com/guo/843751. Accessed 1 Dec. 2025.
Fullformexpand.com, 2025. "GUO." Accessed December 1, 2025. https://www.fullformexpand.com/guo/843751.
"GUO." (n.d.). Fullformexpand.com. Retrieved December 1, 2025, from https://www.fullformexpand.com/guo/843751.
GUO. (2025). Fullformexpand.com. Available at: https://www.fullformexpand.com/guo/843751 (Accessed: 1 December 2025).