Bollinger, A. (1982). Angiologia.
Lua i Stíl Chicago (17ú heag.)Bollinger, Alfred. Angiologia. 1982.
Lua MLA (9ú heag.)Bollinger, Alfred. Angiologia. 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)