UCLA Anderson School of Management's Rosenfeld Library has helpful charts showing where industry and company ratios appear in major databases and print reference sources.
Financial intelligence : a manager's guide to knowing what the numbers really mean
by
Karen Berman and Joe Knight ; with John Case.
Chapter V: Ratios: learning what the numbers are really telling you -- The power of ratios -- Profitability ratios: the higher the better -- Leverage ratios: the balancing act -- Liquidity ratios: can we pay our bills? -- Efficiency ratios: making the most of your assets
To find a company's ratios:
RMA annual statement studies
by
Risk Management Association