References

• Airbus
• AOL
• Argo Aviation GmbH
• Argo Personaldienstleistungen AG
• Berlitz
• British American Tabacco
• ['BLC:] Business Language Centre
• DTZ Zadelhoff Tie Leung GmbH
• Germanischer Lloyd
• GWF Werbung Winne Finnern GmbH
• Hamburg Professional English GbR
• ING Real Estate
• International Association of Teachers of English as a Foreign Language IATEFL
• Language Lounge
• Language Training Center