Gaya APA
Peters, M, S., Timmerhaus, K, D. (1991).
Plant Design And Economics For Chemical Engineers Fourth Edition .
New York:
McGraw-Hill International.
Gaya MLA
Peters, Max, S.., Timmerhaus, Klaus, D..
"Plant Design And Economics For Chemical Engineers Fourth Edition".
New York:
McGraw-Hill International,
1991.
Text.