Albrecht Karl & Albrecht Steve. (1993). Added Value Negotiating ,The Breakthrough Method For Building Balanced Deals. Richard D.Irwin,Inc.
Chicago-čujuhus (17. p.)Albrecht Karl juo Albrecht Steve. Added Value Negotiating ,The Breakthrough Method For Building Balanced Deals. USA: Richard D.Irwin,Inc, 1993.
MLA-čujuhus (9. p.)Albrecht Karl juo Albrecht Steve. Added Value Negotiating ,The Breakthrough Method For Building Balanced Deals. Richard D.Irwin,Inc, 1993.
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