Design, Consultation, Construction and Development Corporation. Economic Development Foundation, & Philippines. Dept. of Public Works, Transportation and Communications. Planning and Project Development Office. (1974). Feasibility study on an integrated bus system of mass transit for Metropolitan Manila: Alternative 1 : one-phase integration schedule. PPDO, DPWTC.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDesign, Consultation, Construction and Development Corporation. Economic Development Foundation, এবং Transportation and Communications. Planning and Project Development Office Philippines. Dept. of Public Works. Feasibility Study on an Integrated Bus System of Mass Transit for Metropolitan Manila: Alternative 1 : One-phase Integration Schedule. Manila: PPDO, DPWTC, 1974.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিDesign, Consultation, Construction and Development Corporation. Economic Development Foundation, এবং Transportation and Communications. Planning and Project Development Office Philippines. Dept. of Public Works. Feasibility Study on an Integrated Bus System of Mass Transit for Metropolitan Manila: Alternative 1 : One-phase Integration Schedule. PPDO, DPWTC, 1974.