Westrup, J. A. (1964). Music, its past and its present: A lecture delivered by Sir Jack Westrup in the Whittall Pavillion of the Library of Congress, September 3, 1963. s.n.
Chicago-viite (17. p.)Westrup, Jack Allan. Music, Its Past and Its Present: A Lecture Delivered by Sir Jack Westrup in the Whittall Pavillion of the Library of Congress, September 3, 1963. Washington: s.n, 1964.
MLA-viite (9. p.)Westrup, Jack Allan. Music, Its Past and Its Present: A Lecture Delivered by Sir Jack Westrup in the Whittall Pavillion of the Library of Congress, September 3, 1963. s.n, 1964.
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