Baumol, W. J. (1988). Economics, principles and policy microeconomics (4ª ed.). Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Baumol, William J. Economics, Principles and Policy Microeconomics. 4ª ed. Harcourt Brace Jovanovich, 1988.
Cita MLA (9th ed.)Baumol, William J. Economics, Principles and Policy Microeconomics. 4ª ed. Harcourt Brace Jovanovich, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.