(1979). Ang bansang Pilipino bagong dimensiyon: Ang kasaysayan at pamahalaan ng Pilipinas = Philippine history and government : concepts and inquiry. Phil. Book Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ang Bansang Pilipino Bagong Dimensiyon: Ang Kasaysayan at Pamahalaan Ng Pilipinas = Philippine History and Government : Concepts and Inquiry. Manila: Phil. Book Co, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ang Bansang Pilipino Bagong Dimensiyon: Ang Kasaysayan at Pamahalaan Ng Pilipinas = Philippine History and Government : Concepts and Inquiry. Phil. Book Co, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.