SAVILLE JEMY. (1986). BUSINESS LETTER WRITER. WARDLOCK LIMITED.
Čikaški stil citiranja (17. izdanje)SAVILLE JEMY. BUSINESS LETTER WRITER. LONDON: WARDLOCK LIMITED, 1986.
MLA način citiranja (9. izdanje)SAVILLE JEMY. BUSINESS LETTER WRITER. WARDLOCK LIMITED, 1986.
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