JOHNSON, C. (1993). PROCESS CONTROL INSTRUMENTATION TECHNOLOGY, 4TH ED. PRENTICE HALL INDIA.
Cita Chicago (17th ed.)JOHNSON, CURTIS. PROCESS CONTROL INSTRUMENTATION TECHNOLOGY, 4TH ED. NEW DELHI: PRENTICE HALL INDIA, 1993.
Cita MLA (9th ed.)JOHNSON, CURTIS. PROCESS CONTROL INSTRUMENTATION TECHNOLOGY, 4TH ED. PRENTICE HALL INDIA, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.