Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

Darrow, Ken, i 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.

Cita MLA (9th ed.)

Darrow, Ken, i 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.