Gunn, C. A. (1988). Tourism Planning (2nd rev. ed.). Taylor & Francis.
Cita Chicago (17th ed.)Gunn, Clare A. Tourism Planning. 2nd rev. ed. New York: Taylor & Francis, 1988.
Cita MLA (9th ed.)Gunn, Clare A. Tourism Planning. 2nd rev. ed. Taylor & Francis, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.