Oshaughnessy, J. (1971). Evaluate your sales force. British Institute of Management.
शिकागो स्टाइल उद्धरणOshaughnessy, J. Evaluate Your Sales Force. London: British Institute of Management, 1971.
एमएलए उद्धरणOshaughnessy, J. Evaluate Your Sales Force. British Institute of Management, 1971.
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