Stephan, J. (2022). Winfried Schich (1938-2021): Joachim Stephan.
Lua i Stíl Chicago (17ú heag.)Stephan, Joachim. Winfried Schich (1938-2021): Joachim Stephan. 2022.
Lua MLA (8ú heag.)Stephan, Joachim. Winfried Schich (1938-2021): Joachim Stephan. 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.