Evans, G. E. (2012). Celtic harmony: A wonderful musical journey through Ireland, Scotland and Wales for relaxation and meditation / Gomer Edwin Evans. Neptun Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEvans, Gomer Edwin. Celtic Harmony: A Wonderful Musical Journey Through Ireland, Scotland and Wales for Relaxation and Meditation / Gomer Edwin Evans. München: Neptun Media, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEvans, Gomer Edwin. Celtic Harmony: A Wonderful Musical Journey Through Ireland, Scotland and Wales for Relaxation and Meditation / Gomer Edwin Evans. Neptun Media, 2012.
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