(1992). The King's Singers 25th Anniversary Jubilee! Hal Leonard.
Chicago-Zitierstil (17. Ausg.)The King's Singers 25th Anniversary Jubilee! Milwaukee, Wis.: Hal Leonard, 1992.
MLA-Zitierstil (8. Ausg.)The King's Singers 25th Anniversary Jubilee! Hal Leonard, 1992.
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