Claudio, C. P. (2002). Our environment today. Asian Institute of Journalism and Commuication and Management Association of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Claudio, Corazon PB. Our Environment Today. San Juan, Metro Manila: Asian Institute of Journalism and Commuication and Management Association of the Philippines, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Claudio, Corazon PB. Our Environment Today. Asian Institute of Journalism and Commuication and Management Association of the Philippines, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.