Berger, J. (1993). Mark Brandenburg. Goebel.
Lua i Stíl Chicago (17ú heag.)Berger, Joachim. Mark Brandenburg. Berlin: Goebel, 1993.
Lua MLA (8ú heag.)Berger, Joachim. Mark Brandenburg. Goebel, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.