Gaya APA
Harriot, W., L., C., J., C., P. (1986).
UNIT OPERATIONS OF CHEMICAL ENGINEERING (Fourth Edition).
Singapore:
MC Graw-Hill Book Company.
Gaya MLA
Harriot, Warren, L.Mc, Cabe,, Julian, C.Smith,, Peter.
"UNIT OPERATIONS OF CHEMICAL ENGINEERING".
Fourth Edition
Singapore:
MC Graw-Hill Book Company,
1986.
Buku Inti.