Walsh, C. (1993). Key management ratios: How to analyse, compare, and control the figures that drive company value. London: Pitman Pub.
Chicago-tyylinen lähdeviittausWalsh, Ciaran. Key Management Ratios: How to Analyse, Compare, and Control the Figures That Drive Company Value. London: Pitman Pub, 1993.
MLA-viiteWalsh, Ciaran. Key Management Ratios: How to Analyse, Compare, and Control the Figures That Drive Company Value. London: Pitman Pub, 1993.
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