Não informado. (2000). Technical communication. Government Printer.
Lua i Stíl Chicago (17ú heag.)Não informado. Technical Communication. Pretoria, Africa do Sul: Government Printer, 2000.
Lua MLA (8ú heag.)Não informado. Technical Communication. Government Printer, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.