Department of Public Works and Highways & Japan International Cooperation Agency. (1998). A factbook on Metro Manila's transportation and traffic situation. MMUTIS.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Department of Public Works and Highways و Japan International Cooperation Agency. A Factbook on Metro Manila's Transportation and Traffic Situation. Quezon City, Philippines: MMUTIS, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Department of Public Works and Highways و Japan International Cooperation Agency. A Factbook on Metro Manila's Transportation and Traffic Situation. MMUTIS, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.