Simpson, A., & McComb, G. (1999). Mastering WordPerfect 9. SYBEX.
Chicago Style (17th ed.) CitationSimpson, Alan, and Gordon McComb. Mastering WordPerfect 9. San Francisco: SYBEX, 1999.
MLA citiranjeSimpson, Alan, and Gordon McComb. Mastering WordPerfect 9. SYBEX, 1999.
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