Lock,Dennis. (2007). Project Management. Gower.
Lua i Stíl Chicago (17ú heag.)Lock,Dennis. Project Management. Gower, 2007.
Lua MLA (8ú heag.)Lock,Dennis. Project Management. Gower, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.