(2022). What is BARD? How do I sign up? / National Library Service for the Blind and Print Disabled, Library of Congress.
Chicago-referens (17:e uppl.)What Is BARD? How Do I Sign Up? / National Library Service for the Blind and Print Disabled, Library of Congress. 2022.
MLA-referens (9:e uppl.)What Is BARD? How Do I Sign Up? / National Library Service for the Blind and Print Disabled, Library of Congress. 2022.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.