EUROPEAN FOUNDATION FOR MANAGEMENT DEVELOPMENT. (2001). ARPENT: ANNUAL REVIEW OF PROGRESS IN ENTREPRENEURSHIP. EUROPEAN FOUNDATION FOR MANAGEMENT DEVELOPMENT.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)EUROPEAN FOUNDATION FOR MANAGEMENT DEVELOPMENT. ARPENT: ANNUAL REVIEW OF PROGRESS IN ENTREPRENEURSHIP. BRUSSELS: EUROPEAN FOUNDATION FOR MANAGEMENT DEVELOPMENT, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)EUROPEAN FOUNDATION FOR MANAGEMENT DEVELOPMENT. ARPENT: ANNUAL REVIEW OF PROGRESS IN ENTREPRENEURSHIP. EUROPEAN FOUNDATION FOR MANAGEMENT DEVELOPMENT, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.