1. Akgoz, Erkan, 2014. Sustainable Tourism and Use of Local Resources as Touristic Products: The Case of Beysehir, International Journal of Research in Business and Social Science. 3.1 (2014): 106-107.
2. Chris Cocklin, 1989. Methodological Problems in Evaluating Sustainability, Environmental Conservation. 16(04): 343 - 351.
3. Chu Nguyễn Mộng Ngọc, Hoàng Trọng, 2008. Phân tích dữ liệu nghiên cứu với SPSS. NXB Thống kê. TP. Hồ Chí Minh, 294.
4. Hair, William C. Black, Barry J. Babin, Rolph E. Anderson, 2006. Multivariate data analysis. Seventh Edition. Upper Saddle River. NJ [etc.] : Pearson Prentice Hall, 816.
5. Julianna Priskin, 2000. Assessment of natural resources for nature-based tourism: the case of the Central Coast Region of Western Australia. PhD thesis. The University of Western Australia. Western Australia, Australia.