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Oxford Living Dictionary (n.d.). “leger line”. Oxford Living Dictionaries. Oxford University Press. 2017年3月12日閲覧。
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.