Gaya APA
Dr.J, C. (1992).
The Running and Maintenance of Marine Machinery (Sixth Edition).
London:
Marine Management Ltd. for The Institute of Marine Engineers.
Gaya MLA
Dr.J, Cowley.
"The Running and Maintenance of Marine Machinery".
Sixth Edition
London:
Marine Management Ltd. for The Institute of Marine Engineers,
1992.
Text.