Goodman, S. R. (1970). Techniques of profitability analysis. Wiley-Interscience.
Dyfyniad Arddull ChicagoGoodman, Sam R. Techniques of Profitability Analysis. New York: Wiley-Interscience, 1970.
Dyfyniad MLAGoodman, Sam R. Techniques of Profitability Analysis. Wiley-Interscience, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.