Strahlem, R. E., & Bickmore, L. S. C. i. (1977). Cost control. Alexander Hamilton Institute.
Chicago Style aipamenaStrahlem, Richard E., and Lee S. Cost interpretation Bickmore. Cost Control. New York: Alexander Hamilton Institute, 1977.
MLA aipamenaStrahlem, Richard E., and Lee S. Cost interpretation Bickmore. Cost Control. Alexander Hamilton Institute, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.