Britten, B., & Crozier, E. (1949). Let's make an opera!: An entertainment for young people in three acts, including The little sweep, a children's opera. Boosey & Hawkes.
Citace podle Chicago (17th ed.)Britten, Benjamin, a Eric Crozier. Let's Make an Opera!: An Entertainment for Young People in Three Acts, Including The Little Sweep, a Children's Opera. London: Boosey & Hawkes, 1949.
Citace podle MLA (8th ed.)Britten, Benjamin, a Eric Crozier. Let's Make an Opera!: An Entertainment for Young People in Three Acts, Including The Little Sweep, a Children's Opera. Boosey & Hawkes, 1949.
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