APA (7 वां संस्करण) प्रशस्ति पत्र

Albrecht Karl & Albrecht Steve. (1993). Added Value Negotiating ,The Breakthrough Method For Building Balanced Deals. Richard D.Irwin,Inc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Albrecht Karl और Albrecht Steve. Added Value Negotiating ,The Breakthrough Method For Building Balanced Deals. USA: Richard D.Irwin,Inc, 1993.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Albrecht Karl और Albrecht Steve. Added Value Negotiating ,The Breakthrough Method For Building Balanced Deals. Richard D.Irwin,Inc, 1993.