Crawford, R. (2019). Summertime: George Gershwin's life in music (First edition.). W. W. Norton & Company.
Citace podle Chicago (17th ed.)Crawford, Richard. Summertime: George Gershwin's Life in Music. First edition. New York: W. W. Norton & Company, 2019.
Citace podle MLA (9th ed.)Crawford, Richard. Summertime: George Gershwin's Life in Music. First edition. W. W. Norton & Company, 2019.
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