Gaya APA
Dorf, R, C. (1980).
Modern Control Systems (3rd Edition) (Edisi 3).
USA:
Addison Wesley Publishing Company.
Gaya MLA
Dorf, Richard, C..
"Modern Control Systems (3rd Edition)".
Edisi 3
USA:
Addison Wesley Publishing Company,
1980.
FT-Elektro.