APA (7th ed.) Zitazioa

United States. Fuel Administration. (1994). Boiler water treatment. Govt. print. off..

Chicago Style (17th ed.) Zitazioa

United States. Fuel Administration. Boiler Water Treatment. Washington: Govt. print. off., 1994.

MLA (9th ed.) Zitazioa

United States. Fuel Administration. Boiler Water Treatment. Govt. print. off., 1994.

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