Heiser, J. Medium and membrane.
Lua i Stíl Chicago (17ú heag.)Heiser, Jörg. Medium and Membrane.
Lua MLA (8ú heag.)Heiser, Jörg. Medium and Membrane.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)