Kohan. (1998). Boiler operator'e guide (4th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationKohan. Boiler Operator'e Guide. 4th ed. New York: McGraw-Hill, 1998.
MLA (9th ed.) CitationKohan. Boiler Operator'e Guide. 4th ed. McGraw-Hill, 1998.
Warning: These citations may not always be 100% accurate.