Gisser, M. (1969). Introduction to Price Theory (2nd Ed.). International textbook company.
Dyfyniad Arddull ChicagoGisser, Micha. Introduction to Price Theory. 2nd Ed. Pennsylvania: International textbook company, 1969.
Dyfyniad MLAGisser, Micha. Introduction to Price Theory. 2nd Ed. International textbook company, 1969.
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