Cita APA (7a ed.)
Lewis, R. W. (1998). Programming industrial control systems using IEC 1131-3 (Rev. vyd.). Institution of Electrical Engineers.
Cita Chicago Style (17a ed.)
Lewis, Robert W. Programming Industrial Control Systems Using IEC 1131-3. Rev. vyd. London: Institution of Electrical Engineers, 1998.
Cita MLA (9a ed.)
Lewis, Robert W. Programming Industrial Control Systems Using IEC 1131-3. Rev. vyd. Institution of Electrical Engineers, 1998.
Precaución: Estas citas no son 100% exactas.