ASHLEY, A. (1992). HANDBOOK OF COMMERCIAL CORRESPONDENCE (2nd ed.). OXFORD UNIVERSITY PRESS.
Čikaški stil citiranjaASHLEY, A. HANDBOOK OF COMMERCIAL CORRESPONDENCE. 2nd ed. NEW YORK: OXFORD UNIVERSITY PRESS, 1992.
MLA način citiranjaASHLEY, A. HANDBOOK OF COMMERCIAL CORRESPONDENCE. 2nd ed. OXFORD UNIVERSITY PRESS, 1992.
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