Johnson, A. M. (1974). The American economy: An historical introduction to the problems of the 1970s. Free Press.
Lua i Stíl Chicago (17ú heag.)Johnson, Arthur M. The American Economy: An Historical Introduction to the Problems of the 1970s. New York: Free Press, 1974.
Lua MLA (9ú heag.)Johnson, Arthur M. The American Economy: An Historical Introduction to the Problems of the 1970s. Free Press, 1974.
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