Blanchfield, W. C., & Oser, J. (1973). Economics: Reality through theory. Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Blanchfield, William C., i Jacob Oser. Economics: Reality Through Theory. New York: Harcourt Brace Jovanovich, 1973.
Cita MLA (9th ed.)Blanchfield, William C., i Jacob Oser. Economics: Reality Through Theory. Harcourt Brace Jovanovich, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.