(1980). Manila North Road improvement project (Rosario-Laoag Section): Package I & II ; monthly report, August 1980. Ministry of Public Highways.
Citace podle Chicago (17th ed.)Manila North Road Improvement Project (Rosario-Laoag Section): Package I & II ; Monthly Report, August 1980. Manila: Ministry of Public Highways, 1980.
Citace podle MLA (9th ed.)Manila North Road Improvement Project (Rosario-Laoag Section): Package I & II ; Monthly Report, August 1980. Ministry of Public Highways, 1980.
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