APA način citiranja (7. izdanje)

Koopmann, G. (2001). Competition Regimes in Telecommunications and the International Trading System.

Čikaški stil citiranja (17. izdanje)

Koopmann, Georg. Competition Regimes in Telecommunications and the International Trading System. Hamburg, 2001.

MLA način citiranja (8. izdanje)

Koopmann, Georg. Competition Regimes in Telecommunications and the International Trading System. 2001.