Valderrama, H. S. (2020). Governance matters: Establishing the link between governance and performance. Cesar E. A. Virata School of Business, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Valderrama, Helena S. Governance Matters: Establishing the Link Between Governance and Performance. Quezon City: Cesar E. A. Virata School of Business, University of the Philippines, 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Valderrama, Helena S. Governance Matters: Establishing the Link Between Governance and Performance. Cesar E. A. Virata School of Business, University of the Philippines, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.