Johnson 2011, p. 9. Johnson, Harvey (Fall 2011). Verschoor, Ron (ed.). "The Eight-Litre: Bentley's Last is Bentley's Best". The Classic Car. LIX (3). Beverley Hills, CA US: Classic Car Club of America: 3–11. ISSN0009-8310.
Johnson 2011, p. 8. Johnson, Harvey (Fall 2011). Verschoor, Ron (ed.). "The Eight-Litre: Bentley's Last is Bentley's Best". The Classic Car. LIX (3). Beverley Hills, CA US: Classic Car Club of America: 3–11. ISSN0009-8310.
Johnson 2011, pp. 8–9. Johnson, Harvey (Fall 2011). Verschoor, Ron (ed.). "The Eight-Litre: Bentley's Last is Bentley's Best". The Classic Car. LIX (3). Beverley Hills, CA US: Classic Car Club of America: 3–11. ISSN0009-8310.