Tria, A. M. (1975). SSRU transportation inventory of the Bicol River Basin as of January 1974. Social Survey Research Unit, Bicol River Basin Development Program.
Chicago Style (17th ed.) CitationTria, Agapito M. SSRU Transportation Inventory of the Bicol River Basin as of January 1974. [Camarines Sur]: Social Survey Research Unit, Bicol River Basin Development Program, 1975.
MLA (9th ed.) CitationTria, Agapito M. SSRU Transportation Inventory of the Bicol River Basin as of January 1974. Social Survey Research Unit, Bicol River Basin Development Program, 1975.
Warning: These citations may not always be 100% accurate.