United States Agency for International Development & United States. Bureau of Reclamation. (1967). A report on the Bicol River Basin, Luzon Island, Philippines. The Bureau.
芝加哥风格引文United States Agency for International Development 与 United States. Bureau of Reclamation. A Report on the Bicol River Basin, Luzon Island, Philippines. Washington, D.C: The Bureau, 1967.
MLA引文United States Agency for International Development 与 United States. Bureau of Reclamation. A Report on the Bicol River Basin, Luzon Island, Philippines. The Bureau, 1967.
警告：这些引文格式不一定是100％准确.