APA引文

(2020). U- and E-Service, Science and Technology. Springer Berlin Heidelberg.

Trích dẫn kiểu Chicago

U- and E-Service, Science and Technology. Springer Berlin Heidelberg, 2020.

MLA引文

U- and E-Service, Science and Technology. Springer Berlin Heidelberg, 2020.

警告：这些引文格式不一定是100％准确.