Wasmer, M., Scholz, E., & Blohm, M. (2010). GESIS-Technical Reports. GESIS.
Lua i Stíl Chicago (17ú heag.)Wasmer, Martina, Evi Scholz, agus Michael Blohm. GESIS-Technical Reports. Mannheim: GESIS, 2010.
Lua MLA (8ú heag.)Wasmer, Martina, et al. GESIS-Technical Reports. GESIS, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.