Foster Johnson, E. (2005). Beginning shell scripting. Wiley.
Dyfyniad Arddull ChicagoFoster Johnson, Eric. Beginning Shell Scripting. New Delhi: Wiley, 2005.
Dyfyniad MLAFoster Johnson, Eric. Beginning Shell Scripting. Wiley, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.