Lawson, F. M. (1920). Industrial control: The application to industry of direction, control and light. Sir I. Pitman.
Lua i Stíl Chicago (17ú heag.)Lawson, Francis Malcolm. Industrial Control: The Application to Industry of Direction, Control and Light. London, New York: Sir I. Pitman, 1920.
Lua MLA (8ú heag.)Lawson, Francis Malcolm. Industrial Control: The Application to Industry of Direction, Control and Light. Sir I. Pitman, 1920.
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