Lua APA (7ú heag.)

Niebyl, K. H. (1946). Studies in the classical theories of money. Columbia University Press.

Lua i Stíl Chicago (17ú heag.)

Niebyl, Karl Heinrich. Studies in the Classical Theories of Money. New York: Columbia University Press, 1946.

Lua MLA (9ú heag.)

Niebyl, Karl Heinrich. Studies in the Classical Theories of Money. Columbia University Press, 1946.

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