Rujukan Garisan lejer

  1. ↑ Bauer, Helen (2009). Young People's Guide to Classical Music (dalam bahasa Inggeris). m/s. 20. ISBN 9781574671810. Unknown parameter |penerbit= ignored (bantuan)
  2. ↑ Gould, Elaine (2016). Behind Bars: The Definitive Guide To Music Notation (dalam bahasa Inggeris). Faber Music Limited. m/s. 262. ISBN 9780571590032.

Petikan

  • Anon. 2001. "Leger [Ledger] Line". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.
  • Godwin, Joscelyn. 1974. "Playing from Original Notation". Early Music 2, no. 1 (January): 15–19.
  • Oxford English Dictionary. 2005. "Ledger, n.B.I.3". Oxford English Dictionary (ed. 3rd). Oxford University Press. September 2005. (Langganan atau keahlian perpustakaan awam UK diperlukan.)
  • Oxford Living Dictionary (n.d.). "leger line". Oxford Living Dictionaries. Oxford University Press. Dicapai pada 12 March 2017.
  • Read, Gardner. 1969. Music Notation: A Manual of Modern Practice, second edition. Boston: Allyn and Bacon. Reprinted, New York: Taplinger Publishing Company, 1979.
  • Shatzkin, Merton. 1993. Writing for the Orchestra: An Introduction to Orchestration. Upper Saddle River, NJ: Prentice Hall. ISBN 9780139534317.