ESSINGER JAMES. (1999). WRITING MARKETING COPY TO GET RESULTS (2.). BUSINESS PRESS.
Chicago-viite (17. p.)ESSINGER JAMES. WRITING MARKETING COPY TO GET RESULTS. 2. AUSTRALIA: BUSINESS PRESS, 1999.
MLA-viite (9. p.)ESSINGER JAMES. WRITING MARKETING COPY TO GET RESULTS. 2. BUSINESS PRESS, 1999.
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