Lang, S. (1967). Algebraic structures. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Lang, Serge. Algebraic Structures. Reading: Addison-Wesley, 1967.
Lua MLA (9ú heag.)Lang, Serge. Algebraic Structures. Addison-Wesley, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.