Davis, J. (1982). New directions for technology. Intermediate Technology Development Group.
Cita Chicago (17th ed.)Davis, John. New Directions for Technology. London: Intermediate Technology Development Group, 1982.
Cita MLA (8th ed.)Davis, John. New Directions for Technology. Intermediate Technology Development Group, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.