Cao, T. X. M. (2024). The changes of manual Alphabets in the world.
Trích dẫn kiểu ChicagoCao, Thi Xuan My. The Changes of Manual Alphabets in the World. 2024.
MLA引文Cao, Thi Xuan My. The Changes of Manual Alphabets in the World. 2024.
警告：这些引文格式不一定是100％准确.