Philippines. National Economic and Development Authority. (1974). Pre-feasibility study of the Cagayan Valley Railroad Extension Project: [NEDA/PNR Study Group]. NEDA.
Chicago Style (17th ed.) CitationPhilippines. National Economic and Development Authority. Pre-feasibility Study of the Cagayan Valley Railroad Extension Project: [NEDA/PNR Study Group]. Manila: NEDA, 1974.
MLA (9th ed.) CitationPhilippines. National Economic and Development Authority. Pre-feasibility Study of the Cagayan Valley Railroad Extension Project: [NEDA/PNR Study Group]. NEDA, 1974.
Warning: These citations may not always be 100% accurate.