Philippines. Congress. House of Representatives. Congressional Planning and Budget Office. (1990). Department of Transportation and Communication (DOTC): Oversight report. CPBO, House of Representatives.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Congress. House of Representatives. Congressional Planning and Budget Office. Department of Transportation and Communication (DOTC): Oversight Report. Quezon City: CPBO, House of Representatives, 1990.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Congress. House of Representatives. Congressional Planning and Budget Office. Department of Transportation and Communication (DOTC): Oversight Report. CPBO, House of Representatives, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.