Gaya APA
Peters, M, S., Timmerhaus, K, D. (1991).
Plantdesign and economics for chemical engineers (4th ed.).
New York:
McGraw-Hill, Inc..
Gaya MLA
Peters, Max, S.., Timmerhaus, Klaus, D..
"Plantdesign and economics for chemical engineers".
4th ed.
New York:
McGraw-Hill, Inc.,
1991.
e-book.