Koether, R. T. (1995). Graphic Under - C. University of Richmond.
Cita Chicago (17th ed.)Koether, Robb T. Graphic Under - C. Richmond: University of Richmond, 1995.
Cita MLA (9th ed.)Koether, Robb T. Graphic Under - C. University of Richmond, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.