Ahlert, B. (1994). The Very Best for Flute and Guitar (Two versions: Duet for flute & guitar - Guitar duet.). Peer.
Chicago-viite (17. p.)Ahlert, Bernd. The Very Best for Flute and Guitar. Two versions: Duet for flute & guitar - Guitar duet. Hamburg: Peer, 1994.
MLA-viite (8. p.)Ahlert, Bernd. The Very Best for Flute and Guitar. Two versions: Duet for flute & guitar - Guitar duet. Peer, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.