Neuhold, E., & Paul, M. (1991). Formal discription of programming concepts. Springer -Verlag.
Dyfyniad Arddull ChicagoNeuhold, E.J, and M. Paul. Formal Discription of Programming Concepts. Berlin: Springer -Verlag, 1991.
Dyfyniad MLANeuhold, E.J, and M. Paul. Formal Discription of Programming Concepts. Springer -Verlag, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.