APA引文

Umeh, J. C. (2007). The world beyond digital rights management. British Computer Society.

Trích dẫn kiểu Chicago

Umeh, Jude C. The World Beyond Digital Rights Management. British Computer Society, 2007.

MLA引文

Umeh, Jude C. The World Beyond Digital Rights Management. British Computer Society, 2007.

警告：这些引文格式不一定是100％准确.