Baumol, W. J. (1996). Economic theory and operations analysis (4th ed.). Prentice-Hall of India.
Dyfyniad Arddull ChicagoBaumol, William J. Economic Theory and Operations Analysis. 4th ed. New Delhi: Prentice-Hall of India, 1996.
Dyfyniad MLABaumol, William J. Economic Theory and Operations Analysis. 4th ed. Prentice-Hall of India, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.