Lua APA (7ú heag.)

Hewett, W. W. (1927). Rudiments of economics. Thomas Y. Crowell Co.

Lua i Stíl Chicago (17ú heag.)

Hewett, William W. Rudiments of Economics. New York: Thomas Y. Crowell Co, 1927.

Lua MLA (8ú heag.)

Hewett, William W. Rudiments of Economics. Thomas Y. Crowell Co, 1927.

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