Stephenson, S. M. (2002). Non-Tariff Barriers and the Telecommunications Sector.
Chicagoスタイル(17版)引用形式Stephenson, Sherry M. Non-Tariff Barriers and the Telecommunications Sector. Hamburg, 2002.
MLA(8版)引用形式Stephenson, Sherry M. Non-Tariff Barriers and the Telecommunications Sector. 2002.
警告: この引用は必ずしも正確ではありません.