APA (7th ed.) Zitazioa
Johnson, R. A. (1993). Negotiation basics: Concepts, skills, and exercises. SAGE Publications.
Chicago Style (17th ed.) Zitazioa
Johnson, Ralph A. Negotiation Basics: Concepts, Skills, and Exercises. London: SAGE Publications, 1993.
MLA (9th ed.) Zitazioa
Johnson, Ralph A. Negotiation Basics: Concepts, Skills, and Exercises. SAGE Publications, 1993.
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