CAVES, R. (1967). American Industry: Structure, Conduct, Performance Richard Caves. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)CAVES, Richard. American Industry: Structure, Conduct, Performance Richard Caves. Prentice Hall, 1967.
Lua MLA (8ú heag.)CAVES, Richard. American Industry: Structure, Conduct, Performance Richard Caves. Prentice Hall, 1967.
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