Bartlett, R. E. (1997). Preparing International Proposals Robert E. Bartlett. Thomas Telford.
Lua i Stíl Chicago (17ú heag.)Bartlett, Robert E. Preparing International Proposals Robert E. Bartlett. Thomas Telford, 1997.
Lua MLA (8ú heag.)Bartlett, Robert E. Preparing International Proposals Robert E. Bartlett. Thomas Telford, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.