Strahlem, R. (1973). Cost Control. Alexander Hamilton Inst.
Cita Chicago (17th ed.)Strahlem, Richard. Cost Control. New York: Alexander Hamilton Inst, 1973.
Cita MLA (9th ed.)Strahlem, Richard. Cost Control. Alexander Hamilton Inst, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.