Waraporn Thaima. (2000). Roles and responsibilities of department chairs of undergraduate business schools in Thai private higher education institutions. Universiti of Pittsburgh.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Waraporn Thaima. Roles and Responsibilities of Department Chairs of Undergraduate Business Schools in Thai Private Higher Education Institutions. Pittsburgh, Pa.: Universiti of Pittsburgh, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Waraporn Thaima. Roles and Responsibilities of Department Chairs of Undergraduate Business Schools in Thai Private Higher Education Institutions. Universiti of Pittsburgh, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.