Dyfyniad APA

ebrary, Inc, & Ghys, F. (2003). 3G multimedia network services, accounting, and user profiles. Artech House.

Dyfyniad Arddull Chicago

ebrary, Inc, and Freddy Ghys. 3G Multimedia Network Services, Accounting, and User Profiles. Boston: Artech House, 2003.

Dyfyniad MLA

ebrary, Inc, and Freddy Ghys. 3G Multimedia Network Services, Accounting, and User Profiles. Artech House, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.