Department of Public Works and Highways & Japan International Cooperation Agency. (1998). A factbook on Metro Manila's transportation and traffic situation. MMUTIS.
Chicago-viite (17. p.)Department of Public Works and Highways ja Japan International Cooperation Agency. A Factbook on Metro Manila's Transportation and Traffic Situation. Quezon City, Philippines: MMUTIS, 1998.
MLA-viite (9. p.)Department of Public Works and Highways ja Japan International Cooperation Agency. A Factbook on Metro Manila's Transportation and Traffic Situation. MMUTIS, 1998.
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