Colleen, S. (2008). J.K.Rowling. Twenty first Centurly Books.
Chicago-čujuhus (17. p.)Colleen, Sexton. J.K.Rowling. Minneapoli s: Twenty first Centurly Books, 2008.
MLA-čujuhus (9. p.)Colleen, Sexton. J.K.Rowling. Twenty first Centurly Books, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.