Cita APA (7a ed.)

Friedmann, P. G. (1995). Economics of control improvement. ISA.

Cita Chicago Style (17a ed.)

Friedmann, Paul G. Economics of Control Improvement. Research Triangle Park, NC: ISA, 1995.

Cita MLA (8a ed.)

Friedmann, Paul G. Economics of Control Improvement. ISA, 1995.