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.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurton, Johanna, और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurton, Johanna, और 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.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.