Tohutoro APA (7th ed.)
Bolton, W. (2009). Programmable logic controllers (5th ed.). Newnes.
Tohutoru Kātū Chicago (17th ed.)
Bolton, W. Programmable Logic Controllers. 5th ed. Oxford: Newnes, 2009.
Tohutoro MLA (9th ed.)
Bolton, W. Programmable Logic Controllers. 5th ed. Newnes, 2009.
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