Park, C. S. (2011). Contemporary engineering economics (5th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Park, Chan S. Contemporary Engineering Economics. 5th ed. Boston: Prentice Hall, 2011.
Lua MLA (9ú heag.)Park, Chan S. Contemporary Engineering Economics. 5th ed. Prentice Hall, 2011.
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