Mill, R. C., & Morrison, A. M. (1992). The tourism system: An introductory text (2nd ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Mill, Robert Christie, e Alastair M. Morrison. The Tourism System: An Introductory Text. 2nd ed. New Jersey: Prentice Hall, 1992.
Cita MLA (8a ed.)Mill, Robert Christie, e Alastair M. Morrison. The Tourism System: An Introductory Text. 2nd ed. Prentice Hall, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.