Keller, B. (2003). Competition and regulation in telecommunications: Theory and application in Switzerland. Lang.
Chicago-Zitierstil (17. Ausg.)Keller, Benno. Competition and Regulation in Telecommunications: Theory and Application in Switzerland. Bern [u.a.]: Lang, 2003.
MLA-Zitierstil (9. Ausg.)Keller, Benno. Competition and Regulation in Telecommunications: Theory and Application in Switzerland. Lang, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.