Services – SERVICES 2019

MLA

Xia, and Liang-Jie Zhang. Services – Services 2019. Springer International Publishing, 2019.

APA

Xia, X., & Zhang, L. (2019). Services – SERVICES 2019. Springer International Publishing.

Chicago

Xia, and Liang-Jie Zhang. Services – SERVICES 2019. : Springer International Publishing, 2019.