Cita APA (7th ed.)
Johnson, C. D. Process Control Instrumentation Technology (8a edición.). Prentice-Hall.
Cita Chicago (17th ed.)
Johnson, Curtis D. Process Control Instrumentation Technology. 8a edición. Upper Saddle River, EUA: Prentice-Hall.
Cita MLA (9th ed.)
Johnson, Curtis D. Process Control Instrumentation Technology. 8a edición. Prentice-Hall.
Atenció: Aquestes cites poden no estar 100% correctes.