Cerina, F., Markandya, A., & McAleer, M. (2011). Economics of sustainable tourism. Routledge.
Chicago Style aipamenaCerina, Fabio, Anil Markandya, and Michael McAleer. Economics of Sustainable Tourism. Abingdon, Oxon: Routledge, 2011.
MLA aipamenaCerina, Fabio, et al. Economics of Sustainable Tourism. Routledge, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.