SCHODEK, D. L. (2004). Structures [ada CD]. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)SCHODEK, Daniel L. Structures [ada CD]. Prentice Hall, 2004.
Lua MLA (8ú heag.)SCHODEK, Daniel L. Structures [ada CD]. Prentice Hall, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.