(2001). Implementing rules and regulations of executives orders Nos. 219 and 32, establishing the domestic and international civil aviation liberalization policy. Philippine Star.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)"Implementing Rules and Regulations of Executives Orders Nos. 219 and 32, Establishing the Domestic and International Civil Aviation Liberalization Policy." Philippine Star 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)"Implementing Rules and Regulations of Executives Orders Nos. 219 and 32, Establishing the Domestic and International Civil Aviation Liberalization Policy." Philippine Star, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.