Trinity Guildhall. (2006). Piano grade 1: Pieces and exercises for Trinity Guildhall examinations 2007 & 2008. Trinity College London.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrinity Guildhall. Piano Grade 1: Pieces and Exercises for Trinity Guildhall Examinations 2007 & 2008. London: Trinity College London, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTrinity Guildhall. Piano Grade 1: Pieces and Exercises for Trinity Guildhall Examinations 2007 & 2008. Trinity College London, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.