Dobrzańska, B. Eugene J. Hall, 1994, "English for Careers. The Language of Hotels in English", Prentice Hall Regents, Ss. 119; Eugene J. Hall, 1994, "English for Careers. The Language of Restaurants and Catering in English", Prentice Hall Regents, Ss. 122. Tour 1996, 6, 131-134.