(1972). Choral Concert am 18. March 1972 [Programmheft].
Cita Chicago (17th ed.)Choral Concert Am 18. March 1972 [Programmheft]. Ellesmere, 1972.
Cita MLA (8th ed.)Choral Concert Am 18. March 1972 [Programmheft]. 1972.
Atenció: Aquestes cites poden no estar 100% correctes.