Pacult, F. P., & Foreword by Richard, P. (2005). A Double Scotch: How Chivas Regal and the Glenlivet became Global Icons. John Wiley & Sons Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPacult, F. Paul, और Patrick Foreword by Richard. A Double Scotch: How Chivas Regal and the Glenlivet Became Global Icons. New Jersey: John Wiley & Sons Inc, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPacult, F. Paul, और Patrick Foreword by Richard. A Double Scotch: How Chivas Regal and the Glenlivet Became Global Icons. John Wiley & Sons Inc, 2005.
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