Dyfyniad APA

Mayberry, G. E. (1993). Successful negotiating. American Management Association.

Dyfyniad Arddull Chicago

Mayberry, Grant E. Successful Negotiating. [Saranac Lake, N.Y.]: American Management Association, 1993.

Dyfyniad MLA

Mayberry, Grant E. Successful Negotiating. American Management Association, 1993.

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