Burton, J., & Diederichsen, D. (2015). Helen Marten: Parrot Problems / With contr. by Johanna Burton, Diedrich Diederichsen, Helen Marten and Susanne Pfeffer. Fridericianum ed. by Susanne Pfeffer. Koenig Books [u.a.].
Lua i Stíl Chicago (17ú heag.)Burton, Johanna, agus Diedrich Diederichsen. Helen Marten: Parrot Problems / With Contr. by Johanna Burton, Diedrich Diederichsen, Helen Marten and Susanne Pfeffer. Fridericianum Ed. by Susanne Pfeffer. London: Koenig Books [u.a.], 2015.
Lua MLA (8ú heag.)Burton, Johanna, agus Diedrich Diederichsen. Helen Marten: Parrot Problems / With Contr. by Johanna Burton, Diedrich Diederichsen, Helen Marten and Susanne Pfeffer. Fridericianum Ed. by Susanne Pfeffer. Koenig Books [u.a.], 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.