APA (7th ed.) Zitazioa
ebrary, Inc, Maitland, R., & Ritchie, B. W. (2010). City tourism: National capital perspectives. CABI.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Robert Maitland, eta Brent W. Ritchie. City Tourism: National Capital Perspectives. Cambridge, MA: CABI, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. City Tourism: National Capital Perspectives. CABI, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.