Lewis, R. (1998). Life (3rd ed.). WCB/McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Lewis, Ricki. Life. 3rd ed. Boston, Mass.: WCB/McGraw-Hill, 1998.
Lua MLA (8ú heag.)Lewis, Ricki. Life. 3rd ed. WCB/McGraw-Hill, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.