DOLL, J. P. Production economics#theory with aaplications#John P. Doll, Frank Orazen. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)DOLL, John P. Production Economics#theory with Aaplications#John P. Doll, Frank Orazen. John Wiley & Sons.
Lua MLA (8ú heag.)DOLL, John P. Production Economics#theory with Aaplications#John P. Doll, Frank Orazen. John Wiley & Sons.
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