Petruzella, F, D.(2005).Lab Manual for Programmable Logic Controllers : With LogixPro PLC Simulator (Ed. 3).New York:Penerbit Mc Graw Hill Education.
Gaya MLA
Petruzella, Frank, D.."Lab Manual for Programmable Logic Controllers : With LogixPro PLC Simulator".Ed. 3New York:Penerbit Mc Graw Hill Education,2005.Text.