Buhalis, D., & Costa, C. (2015). Tourism business frontiers: Consumers, products and industry. Elsevier Butterworth-Heinemann.
استشهاد بنمط شيكاغوBuhalis, Dimitrios, و Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Elsevier Butterworth-Heinemann, 2015.
MLA استشهادBuhalis, Dimitrios, و Carlos Costa. Tourism Business Frontiers: Consumers, Products and Industry. Elsevier Butterworth-Heinemann, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.