Lumby, S. (1985). Investment appraisal: A student workbook. Wokingham: Van Nostrand Reinhold.
Chicago Style aipamenaLumby, Stephen. Investment Appraisal: A Student Workbook. Wokingham: Van Nostrand Reinhold, 1985.
MLA aipamenaLumby, Stephen. Investment Appraisal: A Student Workbook. Wokingham: Van Nostrand Reinhold, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.