Robinson, M., & Towner, J. Beyond beauty towards a sustainable tourism. Business education Publishers.
Citazione stile Chigago Style (17a edizione)Robinson, Mike, e John Towner. Beyond Beauty Towards a Sustainable Tourism. Durham: Business education Publishers.
Citatione MLA (9a ed.)Robinson, Mike, e John Towner. Beyond Beauty Towards a Sustainable Tourism. Business education Publishers.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.