Bork, P. P. Schulmuseum: Peter Paul Bork. Periphere Museen in Berlin.(1992).
Lua i Stíl Chicago (17ú heag.)Bork, Peter Paul. "Schulmuseum: Peter Paul Bork." Periphere Museen in Berlin.(1992) .
Lua MLA (8ú heag.)Bork, Peter Paul. "Schulmuseum: Peter Paul Bork." Periphere Museen in Berlin.(1992), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.