APA aipamena

Kohan, A. L. (1998). Boiler operator's guide (4th ed.). McGraw Hill.

Chicago Style aipamena

Kohan, Anthony Lawrence. Boiler Operator's Guide. 4th ed. New York: McGraw Hill, 1998.

MLA aipamena

Kohan, Anthony Lawrence. Boiler Operator's Guide. 4th ed. McGraw Hill, 1998.