Lua APA (7ú heag.)

Miller, W. (2007). Proactive sales management. Prentice-Hall of India Pvt. Ltd.

Lua i Stíl Chicago (17ú heag.)

Miller, William. Proactive Sales Management. New Delhi: Prentice-Hall of India Pvt. Ltd, 2007.

Lua MLA (9ú heag.)

Miller, William. Proactive Sales Management. Prentice-Hall of India Pvt. Ltd, 2007.

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