Bland, S. (1986). Graphical communication. Longman.
Lua i Stíl Chicago (17ú heag.)Bland, Stuart. Graphical Communication. Burnt Mill: Longman, 1986.
Lua MLA (9ú heag.)Bland, Stuart. Graphical Communication. Longman, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.