Παραπομπή APA

Robert G Nunn. (1997). Water treatment essential for boiler plant operation. New York: McGraw-Hill.

Παραπομπή Chicago Style

Robert G Nunn. Water Treatment Essential for Boiler Plant Operation. New York: McGraw-Hill, 1997.

Παραπομπή MLA

Robert G Nunn. Water Treatment Essential for Boiler Plant Operation. New York: McGraw-Hill, 1997.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.