Brent, R. J. (1998). Cost-benefit analysis for developing countries. Edward Elgar.
Lua i Stíl Chicago (17ú heag.)Brent, Robert J. Cost-benefit Analysis for Developing Countries. Cheltenham, [Glocester], Eng: Edward Elgar, 1998.
Lua MLA (9ú heag.)Brent, Robert J. Cost-benefit Analysis for Developing Countries. Edward Elgar, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.