Krentel, A. B. (1899). On wool.
Lua i Stíl Chicago (17ú heag.)Krentel, Adorf B. On Wool. 1899.
Lua MLA (8ú heag.)Krentel, Adorf B. On Wool. 1899.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)