David, D. (2025). The Dgital Economy and the Single Market.
Trích dẫn kiểu ChicagoDavid, Durward. The Dgital Economy and the Single Market. 2025.
MLA引文David, Durward. The Dgital Economy and the Single Market. 2025.
警告：这些引文格式不一定是100％准确.
APA引文