Woblink
Google Play 图书
Google LLC
Audible – 亚马逊有声读物
Audible, Inc.
Amazon Kindle
Amazon Mobile LLC
ReadEra – pdf, epub 电子书阅读器
READERA LLC
Legimi - ebooki i audiobooki
Legimi
Libby由OverDrive赛阅提供
OverDrive, Inc.
eBoox ePub阅览器
REDIT, OOO
hoopla Digital
Midwest Tape LLC