Darrow, K., & Pam, R. (1976). Appropriate technology sourcebook: For tools and techniques that use local skills, local resources, and renewable sources of energy (2nd ed.). Volunteers in Asia.
Lua i Stíl Chicago (17ú heag.)Darrow, Ken, agus Rick Pam. Appropriate Technology Sourcebook: For Tools and Techniques That Use Local Skills, Local Resources, and Renewable Sources of Energy. 2nd ed. Stanford, Calif: Volunteers in Asia, 1976.
Lua MLA (9ú heag.)Darrow, Ken, agus Rick Pam. Appropriate Technology Sourcebook: For Tools and Techniques That Use Local Skills, Local Resources, and Renewable Sources of Energy. 2nd ed. Volunteers in Asia, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.