Rodolfo, M. C. L. S., Roxas, F. M. Y., Gutierrez, E. L. M., & Rivera, J. P. R. (2023). People, planet, profit: Principles and practices of sustainable tourism. De La Salle University Publishing House.
Chicago-viite (17. p.)Rodolfo, Maria Cherry Lyn S., Fernando Martin Y. Roxas, Eylla Laire M. Gutierrez, ja John Paolo R. Rivera. People, Planet, Profit: Principles and Practices of Sustainable Tourism. Manila: De La Salle University Publishing House, 2023.
MLA-viite (9. p.)Rodolfo, Maria Cherry Lyn S., et al. People, Planet, Profit: Principles and Practices of Sustainable Tourism. De La Salle University Publishing House, 2023.
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