Best music recognition apps for Android, posted Jun. 13, 2012, [retrieved Jul. 8, 2016]. Retrieved from Internet, <URL: http://www.androidauthority.com/best-music-recognition-apps-for-android-93951/ >. |
Shazam Free APK Android App Download, posted Feb. 16, 2014, [retrieved Jul. 8, 2016]. Retrieved from Internet, <URL: http://www.whatz-hub.com/shazam-free-android-app/ >. |
Home > Stock Icons > Artistic > Refresh Icon, posted date not given, [retrieved Jul. 8, 2016]. Retrieved from Internet, <URL: https://www.awicons.com/stock-icons/artistic/refresh/ >. |
Symbol Sourcebook: An Authoratative Guide to International Graphic Symbols, Van Nostrand Reinhold Company Limited, copyright 1972, [retrieved on Jul. 8, 2016]. Retrieved from USPTO Library, p. 219, 5th row—center, ISBN 10: 0-442-21806-0. |