Pacult, F. P., & Foreword by Richard, P. (2005). A Double Scotch: How Chivas Regal and the Glenlivet became Global Icons. John Wiley & Sons Inc.
Lua i Stíl Chicago (17ú heag.)Pacult, F. Paul, agus Patrick Foreword by Richard. A Double Scotch: How Chivas Regal and the Glenlivet Became Global Icons. New Jersey: John Wiley & Sons Inc, 2005.
Lua MLA (9ú heag.)Pacult, F. Paul, agus Patrick Foreword by Richard. A Double Scotch: How Chivas Regal and the Glenlivet Became Global Icons. John Wiley & Sons Inc, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.