Chopin Fryderyk Franciszek & Higgins, T. (1974). Preludes, opus 28: An authoritative score, historical background, analysis, views and comments. Norton.
Čikaški stil citiranja (17. izdanje)Chopin Fryderyk Franciszek i Thomas Higgins. Preludes, Opus 28: An Authoritative Score, Historical Background, Analysis, Views and Comments. New York: Norton, 1974.
MLA način citiranja (9. izdanje)Chopin Fryderyk Franciszek i Thomas Higgins. Preludes, Opus 28: An Authoritative Score, Historical Background, Analysis, Views and Comments. Norton, 1974.
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