APA-viite (7. p.)
O'Hara, F. (2002). Be My Guest english for the Hotel Industry (1a. ed.). At the University Press.
Chicago-viite (17. p.)
O'Hara, Francis. Be My Guest English for the Hotel Industry. 1a. ed. USA: At the University Press, 2002.
MLA-viite (9. p.)
O'Hara, Francis. Be My Guest English for the Hotel Industry. 1a. ed. At the University Press, 2002.
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