(2003). Co-operation and partnerships in tourism: A global perspective. [Madrid, Spain]: World Tourism Organization.
استشهاد بنمط شيكاغوCo-operation and Partnerships in Tourism: A Global Perspective. [Madrid, Spain]: World Tourism Organization, 2003.
MLA استشهادCo-operation and Partnerships in Tourism: A Global Perspective. [Madrid, Spain]: World Tourism Organization, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.