United States. Fuel Administration. (1994). Boiler water treatment. Govt. print. off..
芝加哥风格引文United States. Fuel Administration. Boiler Water Treatment. Washington: Govt. print. off., 1994.
MLA引文United States. Fuel Administration. Boiler Water Treatment. Govt. print. off., 1994.
警告：这些引文格式不一定是100％准确.