Não informado. (2005). Methodology and science. Esser Scientific Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Methodology and Science. Haarlem, Holanda: Esser Scientific Press, 2005.
Lua MLA (8ú heag.)Não informado. Methodology and Science. Esser Scientific Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.