ABC News. https://www.abcactionnews.com/money/consumer/dirty-dining/taco-bell-worker-tests-positive-for-hepatitis-a-employees-had-to-be-vaccinated
Diakses 5 Mei 2019ABC News. https://www.abcactionnews.com/news/region-pinellas/food-service-worker-at-arbys-in-clearwater-tests-positive-for-hepatitis-a
Diakses 5 Mei 2019 Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/hepatitis-a/symptoms-causes/syc-20367007
Diakses 5 Mei 2019WHO. https://www.who.int/news-room/fact-sheets/detail/hepatitis-a
Diakses 5 Mei 2019