Lal, D. (1974). Methods of project analysis: A review. International Bank for Reconstruction and Development.
Lua i Stíl Chicago (17ú heag.)Lal, Deepak. Methods of Project Analysis: A Review. [Washington: International Bank for Reconstruction and Development, 1974.
Lua MLA (9ú heag.)Lal, Deepak. Methods of Project Analysis: A Review. International Bank for Reconstruction and Development, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.