Horder, A. (1973). User evaluation of microcopying system performance. Hatfield Polytechnic.
Cita Chicago (17th ed.)Horder, Alan. User Evaluation of Microcopying System Performance. Hatfield: Hatfield Polytechnic, 1973.
Cita MLA (8th ed.)Horder, Alan. User Evaluation of Microcopying System Performance. Hatfield Polytechnic, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.