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 (2), 131-134. https://doi.org/10.18778/0867-5856.6.2.11.