Gaya APA
B.Se.,, J, S., M.R.I.C, C, C. (1987).
Marine Engineering Practice Volume 2 Part 14 Water Treatment .
London:
The Institute Of Marine Engineers.
Gaya MLA
B.Se.,, J.D., Skelly,., M.R.I.C, Chart., Chemist,.
"Marine Engineering Practice Volume 2 Part 14 Water Treatment".
London:
The Institute Of Marine Engineers,
1987.
Text.