Lekachman, R. The varieties of economics: Documents, examples and manifestoes.
Cita Chicago (17th ed.)Lekachman, Robert. The Varieties of Economics: Documents, Examples and Manifestoes. Cleveland, World Pub. Co. [1962].
Cita MLA (9th ed.)Lekachman, Robert. The Varieties of Economics: Documents, Examples and Manifestoes.
Atenció: Aquestes cites poden no estar 100% correctes.