United States. Bureau of Community Environmental Management. (1971). Environmental health planning. For sale by the Supt. of Docs., U.S. Govt. Print. Off.].
芝加哥风格引文United States. Bureau of Community Environmental Management. Environmental Health Planning. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.
MLA引文United States. Bureau of Community Environmental Management. Environmental Health Planning. For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.
警告：这些引文格式不一定是100％准确.