(2008). Student Page: Markus Sulzbacher. Eikon.
Lua i Stíl Chicago (17ú heag.)"Student Page: Markus Sulzbacher." Eikon 2008.
Lua MLA (8ú heag.)"Student Page: Markus Sulzbacher." Eikon, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.