Gaya APA
Liptak, B, G. (1995).
Instrument Engineers Handbook : Process Control .
Pennsylvania:
Chilton Book Company I Radnor.
Gaya MLA
Liptak, Bela, G..
"Instrument Engineers Handbook : Process Control".
Pennsylvania:
Chilton Book Company I Radnor,
1995.
Buku PPs Prodi Teknik Kimia.