HITCHINGS, B. (1975). Marketing As A Cybernatic System Bradley Hitchings. Alexander Hamilton Institut.
Čikaški stil citiranja (17. izdanje)HITCHINGS, Bradley. Marketing As A Cybernatic System Bradley Hitchings. Alexander Hamilton Institut, 1975.
MLA način citiranja (8. izdanje)HITCHINGS, Bradley. Marketing As A Cybernatic System Bradley Hitchings. Alexander Hamilton Institut, 1975.
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