Gaya APA
Perry, R, H.
(1984).
PERRY'S CHEMMICAL ENGINEERS' HANDBOOK 6th.ed
(
6)
.
Singapore:
McGraw-Hill Book Company.
Gaya MLA
Perry, Robert, H..
"PERRY'S CHEMMICAL ENGINEERS' HANDBOOK 6th.ed".
6
Singapore:
McGraw-Hill Book Company,
1984.
Text.