Cita APA (7th ed.)
Williams, S. (1998). Tourism geography. Routledge.
Cita Chicago (17th ed.)
Williams, Stephen. Tourism Geography. London ; New York: Routledge, 1998.
Cita MLA (9th ed.)
Williams, Stephen. Tourism Geography. Routledge, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.