Lua APA (7ú heag.)

STEELE, P. T. (1999). Business negotiation a practical workbook. Gower.

Lua i Stíl Chicago (17ú heag.)

STEELE, Paul T. Business Negotiation a Practical Workbook. Gower, 1999.

Lua MLA (8ú heag.)

STEELE, Paul T. Business Negotiation a Practical Workbook. Gower, 1999.

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