Feller, E. W. F. (1947). Instrument and control manual for operating engineers. McGraw-Hill.
Cita Chicago (17th ed.)Feller, Eugene W F. Instrument and Control Manual for Operating Engineers. N.Y.: McGraw-Hill, 1947.
Cita MLA (8th ed.)Feller, Eugene W F. Instrument and Control Manual for Operating Engineers. McGraw-Hill, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.