Johnson, E. A. J., & Krooss, H. E. (1953). The origins and development of the American economy: An introduction to economics. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Johnson, E. A. J., agus Herman Edward Krooss. The Origins and Development of the American Economy: An Introduction to Economics. New York: Prentice-Hall, 1953.
Lua MLA (9ú heag.)Johnson, E. A. J., agus Herman Edward Krooss. The Origins and Development of the American Economy: An Introduction to Economics. Prentice-Hall, 1953.
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