Lester, A. (2000). Project planning and control. Butterworth-Heinemann.
Lua i Stíl Chicago (17ú heag.)Lester, Albert. Project Planning and Control. Butterworth-Heinemann, 2000.
Lua MLA (8ú heag.)Lester, Albert. Project Planning and Control. Butterworth-Heinemann, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.