2012 Köster, Almut, Pitt, Angela, Handford, Michael, Lisboa, Martin. 2012. Business Advantage Intermediate. Cambridge: Cambridge University Press. (Details)
  Handford, Michael, Lisboa, Martin, Köster, Almut, Pitt, Angela. 2012. Business Advantage Upper Intermediate. Cambridge: Cambridge University Press. (Details)
2003 Alexander, Richard J., Jones, Leo. 2003. New International Business English. Updated Edition. Communication skills in English for business purposes. Bonus extra CD-ROM Cambridge: Cambridge University Press. (Student's Book) (Details)
2000 Alexander, Richard J., Leo Jones. 2000. New International Business English. Updated Edition. Communication skills in English for business purposes. Teacher's Book. Cambridge: Cambridge University Press, ISBN 0 521 77471 3 (Details)
  Alexander, Richard J., Leo Jones. 2000. New International Business English. Updated Edition. Communication skills in English for business purposes. Student's Book. Cambridge: Cambridge University Press, (Student's Book Audio CD Set), ISBN 0 521 77472 1 (Details)
  Alexander, Richard J., Leo Jones. 2000. New International Business English. Updated Edition. Communication skills in English for business purposes. Workbook. Cambridge: Cambridge University Press. (Workbook Audio CD Set), ISBN 0 521 77470 5 (Details)