[1] （页面存档备份，存于互联网档案馆）, Google: We do not charge licensing fees for Android’s Google Mobile Services, JORDAN KAHN, January 23, 2014. Retrieved on 17th October 2014.
techhive.com
[2] （页面存档备份，存于互联网档案馆）, No, Android phone makers don't pay Google licensing fees to use Google apps, Jared Newman, January 24, 2014. Retrieved on 19th October 2014.
web.archive.org
[1] （页面存档备份，存于互联网档案馆）, Google: We do not charge licensing fees for Android’s Google Mobile Services, JORDAN KAHN, January 23, 2014. Retrieved on 17th October 2014.
[2] （页面存档备份，存于互联网档案馆）, No, Android phone makers don't pay Google licensing fees to use Google apps, Jared Newman, January 24, 2014. Retrieved on 19th October 2014.
