Gaya APA
Harper, C, A. (2006).
Handbook of Plastics Technologies:The Complete Guide to Properties and Performance .
USA:
The McGraw-Hill Companies.
Gaya MLA
Harper, Charles, A..
"Handbook of Plastics Technologies:The Complete Guide to Properties and Performance".
USA:
The McGraw-Hill Companies,
2006.
Buku Teknik Industri.