Eckman, D. P. (1958). Automatic process control. John Wiley.
Cita Chicago (17th ed.)Eckman, Donald P. Automatic Process Control. Nueva York: John Wiley, 1958.
Cita MLA (9th ed.)Eckman, Donald P. Automatic Process Control. John Wiley, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.