Hal R.Varian, . (2003). Intermediate Microeconomics. New York: W. W. Noarton.
Hal R.Varian, . 2003. Intermediate Microeconomics. New York: W. W. Noarton.
Hal R.Varian, . Intermediate Microeconomics. New York: W. W. Noarton. 2003.
