CAVANACH, G. F. (1990). American Business Values. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)CAVANACH, Gerald F. American Business Values. Prentice-Hall, 1990.
Lua MLA (8ú heag.)CAVANACH, Gerald F. American Business Values. Prentice-Hall, 1990.
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