EASTON, G. (1992). Learning From Case Studies. bPrentice Hall.
Lua i Stíl Chicago (17ú heag.)EASTON, Geoff. Learning From Case Studies. bPrentice Hall, 1992.
Lua MLA (8ú heag.)EASTON, Geoff. Learning From Case Studies. bPrentice Hall, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.