Morgan, S. (2019). Billie Eilish: The ultimate fan book. Scholastic Children's Books.
Chicago-referens (17:e uppl.)Morgan, Sally. Billie Eilish: The Ultimate Fan Book. London: Scholastic Children's Books, 2019.
MLA-referens (8:e uppl.)Morgan, Sally. Billie Eilish: The Ultimate Fan Book. Scholastic Children's Books, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.