FENTON JOHN. (1984). HOW TO SELL AGAINST COMPETITION. HEINEMANN.
Čikaški stil citiranja (17. izdanje)FENTON JOHN. HOW TO SELL AGAINST COMPETITION. LONDON: HEINEMANN, 1984.
MLA način citiranja (9. izdanje)FENTON JOHN. HOW TO SELL AGAINST COMPETITION. HEINEMANN, 1984.
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