United States. Fuel Administration. (1994). Boiler water treatment. Govt. print. off..
Chicago Style (17th ed.) CitationUnited States. Fuel Administration. Boiler Water Treatment. Washington: Govt. print. off., 1994.
ציטוט MLAUnited States. Fuel Administration. Boiler Water Treatment. Govt. print. off., 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.