APA aipamena

Maitland, R., & Ritchie, B. W. (2015). City tourism: National capital perspectives. CABI.

Chicago Style aipamena

Maitland, Robert, và Brent W. Ritchie. City Tourism: National Capital Perspectives. CABI, 2015.

MLA aipamena

Maitland, Robert, và Brent W. Ritchie. City Tourism: National Capital Perspectives. CABI, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.