Zwick, J., & Troester, R. R. (1990). Oral history interview with Joachim Zwick.
Lua i Stíl Chicago (17ú heag.)Zwick, Joachim, agus Rosalie Riegle Troester. Oral History Interview with Joachim Zwick. 1990.
Lua MLA (8ú heag.)Zwick, Joachim, agus Rosalie Riegle Troester. Oral History Interview with Joachim Zwick. 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.