Hedtke, P. C., & Hedtke, J. V. (1993). A field guide to Windows icons: An introduction to the commonest icons in North America. Osborne McGraw-Hill.
Dyfyniad Arddull ChicagoHedtke, Patricia C., and John V. Hedtke. A Field Guide to Windows Icons: An Introduction to the Commonest Icons in North America. Berkeley: Osborne McGraw-Hill, 1993.
Dyfyniad MLAHedtke, Patricia C., and John V. Hedtke. A Field Guide to Windows Icons: An Introduction to the Commonest Icons in North America. Osborne McGraw-Hill, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.