Manoram, A. (2014). Research methods for travel and tourism. Prentice Hall.
Chicago Style aipamenaManoram, Ashok. Research Methods for Travel and Tourism. Jaipur: Prentice Hall, 2014.
MLA aipamenaManoram, Ashok. Research Methods for Travel and Tourism. Prentice Hall, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.