(1975). Economic issues and policies: Reading in introductory economics. Houghton Mifflin.
Cita Chicago (17th ed.)Economic Issues and Policies: Reading in Introductory Economics. Boston: Houghton Mifflin, 1975.
Cita MLA (9th ed.)Economic Issues and Policies: Reading in Introductory Economics. Houghton Mifflin, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.