Cita APA (7th ed.)
Holden, A. (2000). Environment and tourism. Routledge.
Cita Chicago (17th ed.)
Holden, Andrew. Environment and Tourism. London: Routledge, 2000.
Cita MLA (9th ed.)
Holden, Andrew. Environment and Tourism. Routledge, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.