World Intellectual Property Organization & World Tourism Organization. (2021). Boosting Tourism Development through Intellectual Property. World Intellectual Property Organization (WIPO) and World Tourism Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Intellectual Property Organization و World Tourism Organization. Boosting Tourism Development Through Intellectual Property. Geneva, Switzerland and Madrid, Spain:: World Intellectual Property Organization (WIPO) and World Tourism Organization, 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Intellectual Property Organization و World Tourism Organization. Boosting Tourism Development Through Intellectual Property. World Intellectual Property Organization (WIPO) and World Tourism Organization, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.