Axelrod, R. B., & Cooper, C. R. (2001). The St. Martin's guide to writing (6th ed.). Bedford.
Lua i Stíl Chicago (17ú heag.)Axelrod, Rise B., agus Charles R. Cooper. The St. Martin's Guide to Writing. 6th ed. Boston: Bedford, 2001.
Lua MLA (9ú heag.)Axelrod, Rise B., agus Charles R. Cooper. The St. Martin's Guide to Writing. 6th ed. Bedford, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.