APA (7th ed.) Citation

Trinity Guildhall. (2006). Piano grade 1: Pieces and exercises for Trinity Guildhall examinations 2007 & 2008. Trinity College London.

Chicago Style (17th ed.) Citation

Trinity Guildhall. Piano Grade 1: Pieces and Exercises for Trinity Guildhall Examinations 2007 & 2008. London: Trinity College London, 2006.

MLA (9th ed.) Citation

Trinity Guildhall. Piano Grade 1: Pieces and Exercises for Trinity Guildhall Examinations 2007 & 2008. Trinity College London, 2006.

Warning: These citations may not always be 100% accurate.