Travis, A. S. (2011). Planning for tourism, leisure and sustainability: International case studies. CAB International.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTravis, Anthony S. Planning for Tourism, Leisure and Sustainability: International Case Studies. Cambridge, Mass.: CAB International, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTravis, Anthony S. Planning for Tourism, Leisure and Sustainability: International Case Studies. CAB International, 2011.
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