LexisNexis® Digital Library
OverDrive, Inc.
Lexis+® Mobile
LexisNexis, a division of RELX Inc.
LexRead™
Google Play 북 - 전자책, 만화 및 오디오북
Google LLC
Amazon Kindle
Amazon Mobile LLC
ReadEra – book reader pdf epub
READERA LLC
OverDrive 제작 Libby
Epic: Kids' Books & Reading
Epic! Creations Inc
Let's Read - Digital Library
Let's Read!
Audible - Amazon 오디오북
Audible, Inc.