Cita APA (7th ed.)
ebrary, Inc, Maitland, R., & Ritchie, B. W. (2010). City tourism: National capital perspectives. CABI.
Cita Chicago (17th ed.)
ebrary, Inc, Robert Maitland, i Brent W. Ritchie. City Tourism: National Capital Perspectives. Cambridge, MA: CABI, 2010.
Cita MLA (9th ed.)
ebrary, Inc, et al. City Tourism: National Capital Perspectives. CABI, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.