Steiner, B., & Aguirre, P. (2013). The Europen book: [ed. by Barbara Steiner on behalf of the Goethe-Institut London. Texts by Peio Aguirre.]. Jovis-Verl..
Lua i Stíl Chicago (17ú heag.)Steiner, Barbara, agus Peio Aguirre. The Europen Book: [ed. by Barbara Steiner on Behalf of the Goethe-Institut London. Texts by Peio Aguirre.]. Berlin: Jovis-Verl., 2013.
Lua MLA (8ú heag.)Steiner, Barbara, agus Peio Aguirre. The Europen Book: [ed. by Barbara Steiner on Behalf of the Goethe-Institut London. Texts by Peio Aguirre.]. Jovis-Verl., 2013.
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