APA (7th ed.) Zitazioa
Riley, D. (1995). Check your vocabulary for hotels, tourism & catering management a workbook for users (1a. ed.). Peter Collin Publishig.
Chicago Style (17th ed.) Zitazioa
Riley, David. Check Your Vocabulary for Hotels, Tourism & Catering Management a Workbook for Users. 1a. ed. Peter Collin Publishig, 1995.
MLA (9th ed.) Zitazioa
Riley, David. Check Your Vocabulary for Hotels, Tourism & Catering Management a Workbook for Users. 1a. ed. Peter Collin Publishig, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.