Edgar, C. A. (1992). Guidelines for the evaluation of virtual terminal implementations. U.S. Dept. of Commerce, National Institute of Standards and Technology.
Cita Chicago (17th ed.)Edgar, Carol A. Guidelines for the Evaluation of Virtual Terminal Implementations. Gaithersburg, Md.: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1992.
Cita MLA (8th ed.)Edgar, Carol A. Guidelines for the Evaluation of Virtual Terminal Implementations. U.S. Dept. of Commerce, National Institute of Standards and Technology, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.