Darrow, K. (1976). Appropriate technology sourcebook. Volunteers in Asia.
Cita Chicago (17th ed.)Darrow, Ken. Appropriate Technology Sourcebook. Stanford: Volunteers in Asia, 1976.
Cita MLA (9th ed.)Darrow, Ken. Appropriate Technology Sourcebook. Volunteers in Asia, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.