Ashford, M. (1998). CON TRICKS: The shadowy world of management consultancy and how to make it work for you / Martin Ashford. Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAshford, Martin. CON TRICKS: The Shadowy World of Management Consultancy and How to Make It Work for You / Martin Ashford. London: Simon & Schuster, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAshford, Martin. CON TRICKS: The Shadowy World of Management Consultancy and How to Make It Work for You / Martin Ashford. Simon & Schuster, 1998.
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