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Ruffner 2002, hlm. 42. Ruffner, Kevin C. (2002). "On the Trail of Nazi Counterfeiters"(PDF). Studies in Intelligence. Central Intelligence Agency. 46 (2): 41–53. Diarsipkan dari versi asli(pdf) tanggal 2020-07-13. Diakses tanggal 2017-04-15.
Ruffner 2002, hlm. 46. Ruffner, Kevin C. (2002). "On the Trail of Nazi Counterfeiters"(PDF). Studies in Intelligence. Central Intelligence Agency. 46 (2): 41–53. Diarsipkan dari versi asli(pdf) tanggal 2020-07-13. Diakses tanggal 2017-04-15.
Ruffner 2002, hlm. 42. Ruffner, Kevin C. (2002). "On the Trail of Nazi Counterfeiters"(PDF). Studies in Intelligence. Central Intelligence Agency. 46 (2): 41–53. Diarsipkan dari versi asli(pdf) tanggal 2020-07-13. Diakses tanggal 2017-04-15.
Ruffner 2002, hlm. 46. Ruffner, Kevin C. (2002). "On the Trail of Nazi Counterfeiters"(PDF). Studies in Intelligence. Central Intelligence Agency. 46 (2): 41–53. Diarsipkan dari versi asli(pdf) tanggal 2020-07-13. Diakses tanggal 2017-04-15.
Feller & Hamilton 1985, hlm. 1768; Pirie 1961, hlm. 5–6; Kahn 1978, hlm. 300. Feller, Steven A.; Hamilton, Charles E. (September 1985). "Operation Bernhard: The Ultimate Counterfeiting Scheme". The Numismatist. American Numismatic Association: 1766–1772. Pirie, Anthony (1961). Operation Bernhard. London: Cassell & Co. OCLC603725. Kahn, David (1978). Hitler's Spies. Boston, MA: Da Capo Press. ISBN978-0-3068-0949-1.
Tiley 2007, hlm. 52; Bower 2001, hlm. 47; Pirie 1961, hlm. 18–19. Tiley, Marc (August 2007). "The Third Reich's Bank of England". History Today. History Today Ltd. 57 (8): 50–55. Bower, Peter (2001). "Operation Bernhard: The German Forgery of British Paper Currency in World War II". Dalam Bower, Peter. The Exeter Papers. London: The British Association of Paper Historians. hlm. 43–65. ISBN978-0-9525757-2-6. Pirie, Anthony (1961). Operation Bernhard. London: Cassell & Co. OCLC603725.
Bower 2001, hlm. 52–53; Pirie 1961, hlm. 163. Bower, Peter (2001). "Operation Bernhard: The German Forgery of British Paper Currency in World War II". Dalam Bower, Peter. The Exeter Papers. London: The British Association of Paper Historians. hlm. 43–65. ISBN978-0-9525757-2-6. Pirie, Anthony (1961). Operation Bernhard. London: Cassell & Co. OCLC603725.