एपीए उद्धरण

Petruzella, F. D. (2005). Lab manual for programmable logic controllers with LogixPro PLC simulator. Boston: McGraw-Hill Higher Education.

शिकागो स्टाइल उद्धरण

Petruzella, Frank D. Lab Manual for Programmable Logic Controllers With LogixPro PLC Simulator. Boston: McGraw-Hill Higher Education, 2005.

एमएलए उद्धरण

Petruzella, Frank D. Lab Manual for Programmable Logic Controllers With LogixPro PLC Simulator. Boston: McGraw-Hill Higher Education, 2005.