APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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