Cita APA (7th ed.)
ebrary, Inc, Goodwin, H., & Font, X. (2013). Progress in responsible tourism. Goodfellow Publishers.
Cita Chicago (17th ed.)
ebrary, Inc, Harold Goodwin, i Xavier Font. Progress in Responsible Tourism. Woodeaton, Oxford: Goodfellow Publishers, 2013.
Cita MLA (9th ed.)
ebrary, Inc, et al. Progress in Responsible Tourism. Goodfellow Publishers, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.