Hentschel, M., & Emmerling, L. (2001). Teresa Hubbard, Alexander Birchler: Wild walls. Kerber.
Čikaški stil citiranja (17. izdanje)Hentschel, Martin, i Leonhard Emmerling. Teresa Hubbard, Alexander Birchler: Wild Walls. Bielefeld: Kerber, 2001.
MLA način citiranja (8. izdanje)Hentschel, Martin, i Leonhard Emmerling. Teresa Hubbard, Alexander Birchler: Wild Walls. Kerber, 2001.
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