Cita APA

Darrow, K., Keller, K., & Pam, R. (1981). Appropriate technology sourcebook. Volunteers in Asia.

Citación estilo Chicago

Darrow, Ken, Kent Keller, and Rick Pam. Appropriate Technology Sourcebook. Stanford, Calif.: Volunteers in Asia, 1981.

Cita MLA

Darrow, Ken, et al. Appropriate Technology Sourcebook. Volunteers in Asia, 1981.