Gaya APA

(Pengarang), K, H. (2004). BOILER OPERATOR'S HANDBOOK . UNITED STATES OF AMERIKA :: THE FAIRMONT PRESS,.

Gaya MLA

(Pengarang), KEN, HESELTON. "BOILER OPERATOR'S HANDBOOK". UNITED STATES OF AMERIKA :: THE FAIRMONT PRESS,, 2004. Monograf.