Becker, B., Baum, G., & Haring, R. (2015). Berlin 1978-1987: Boris Becker. [Essays: Gerhart Baum & Roswitha Haring] (First edition.). PogoBooks.
Lua i Stíl Chicago (17ú heag.)Becker, Boris, Gerhart Baum, agus Roswitha Haring. Berlin 1978-1987: Boris Becker. [Essays: Gerhart Baum & Roswitha Haring]. First edition. Berlin: PogoBooks, 2015.
Lua MLA (8ú heag.)Becker, Boris, et al. Berlin 1978-1987: Boris Becker. [Essays: Gerhart Baum & Roswitha Haring]. First edition. PogoBooks, 2015.
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