Dexter, H. (1967). Ashdown vocal duets, No. 329, Must it be?: German folk-song : arranged for two-part singing. Edwin Ashdown.
Chicago-Zitierstil (17. Ausg.)Dexter, Harry. Ashdown Vocal Duets, No. 329, Must It Be?: German Folk-song : Arranged for Two-part Singing. [London]: Edwin Ashdown, 1967.
MLA-Zitierstil (9. Ausg.)Dexter, Harry. Ashdown Vocal Duets, No. 329, Must It Be?: German Folk-song : Arranged for Two-part Singing. Edwin Ashdown, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.