Não informado. (2004). International communications review. International Telephone and Telegraph Corporation.
Chicago-Zitierstil (17. Ausg.)Não informado. International Communications Review. New York: International Telephone and Telegraph Corporation, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. International Communications Review. International Telephone and Telegraph Corporation, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.