Lumby, S. (1984). Investment appraisal (2nd ed.). ELBS.
Cita Chicago Style (17a ed.)Lumby, Stephen. Investment Appraisal. 2nd ed. London: ELBS, 1984.
Cita MLA (9a ed.)Lumby, Stephen. Investment Appraisal. 2nd ed. ELBS, 1984.
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