HEPBURN, David. What are Operation Unicorn, Operation London Bridge and Operation Spring Tide? The secret plan outlining what would happen if the Queen dies in Scotland - and what happens next. The Scotsman, 2022-09-08. Dostupné online [cit. 2022-09-09].
usatoday.com
eu.usatoday.com
Operation London Bridge and Operation Unicorn explained following Queen Elizabeth's death. USA Today, 2022-09-09. Dostupné online [cit. 2022-09-09].
