Philippines. Bureau of Communications Services. (2013). Ugnay 2: Connecting with the people : a list of government publications. Bureau of Communications Services, Presidential Communication Operations Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Bureau of Communications Services. Ugnay 2: Connecting with the People : A List of Government Publications. Manila: Bureau of Communications Services, Presidential Communication Operations Office, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Bureau of Communications Services. Ugnay 2: Connecting with the People : A List of Government Publications. Bureau of Communications Services, Presidential Communication Operations Office, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.