Gaya APA
Schroeder, C. (1987).
Solutions to Boiler and Cooling Water Problems (Cet.2).
United State of America:
The Fairmont Press.
Gaya MLA
Schroeder, C.D.
"Solutions to Boiler and Cooling Water Problems".
Cet.2
United State of America:
The Fairmont Press,
1987.
Text.