Evans, G. E. (2012). Celtic harmony: A wonderful musical journey through Ireland, Scotland and Wales for relaxation and meditation / Gomer Edwin Evans. Neptun Media.
Chicago-referens (17:e uppl.)Evans, Gomer Edwin. Celtic Harmony: A Wonderful Musical Journey Through Ireland, Scotland and Wales for Relaxation and Meditation / Gomer Edwin Evans. München: Neptun Media, 2012.
MLA-referens (8:e uppl.)Evans, Gomer Edwin. Celtic Harmony: A Wonderful Musical Journey Through Ireland, Scotland and Wales for Relaxation and Meditation / Gomer Edwin Evans. Neptun Media, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.