Hazeltine,Barrett, & Bull,Christopher. (1999). Appropriate technology: :tools,choices and implications. Academic press.
Chicago Edition CitationHazeltine,Barrett, i Bull,Christopher. Appropriate Technology: :tools,choices and Implications. USA: Academic press, 1999.
Cita MLAHazeltine,Barrett, i Bull,Christopher. Appropriate Technology: :tools,choices and Implications. Academic press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.