Lua APA (7ú heag.)
Eckman, D. P. (1945). Principles of industrial process control. J. Wiley & sons, inc.; Chapman & Hall, limited.
Lua i Stíl Chicago (17ú heag.)
Eckman, Donald P. Principles of Industrial Process Control. New York, London: J. Wiley & sons, inc.; Chapman & Hall, limited, 1945.
Lua MLA (9ú heag.)
Eckman, Donald P. Principles of Industrial Process Control. J. Wiley & sons, inc.; Chapman & Hall, limited, 1945.
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