Brown, N. L. (1978). Renewable energy resources rural application developing world. Westview Press.
Lua i Stíl Chicago (17ú heag.)Brown, Norman L. Renewable Energy Resources Rural Application Developing World. Colorado: Westview Press, 1978.
Lua MLA (9ú heag.)Brown, Norman L. Renewable Energy Resources Rural Application Developing World. Westview Press, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.