Gaya APA
Petruzella, Frank D.. (2011).
Programmable logic controllers (4th ed.).
New York:
McGraw-Hill.
Gaya Chicago
Petruzella, Frank D..
Programmable logic controllers.
4th ed.
New York:
McGraw-Hill,
2011.
Text.
Gaya MLA
Petruzella, Frank D..
Programmable logic controllers.
4th ed.
New York:
McGraw-Hill,
2011.
Text.
Gaya Turabian
Petruzella, Frank D..
Programmable logic controllers.
4th ed.
New York:
McGraw-Hill,
2011.
Print.