Snyder, R. M. (1955). Measuring business changes: A handbook of significant business indicators. Wiley.
Cita Chicago (17th ed.)Snyder, Richard M. Measuring Business Changes: A Handbook of Significant Business Indicators. New York: Wiley, 1955.
Cita MLA (9th ed.)Snyder, Richard M. Measuring Business Changes: A Handbook of Significant Business Indicators. Wiley, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.