Rohl, J. S. (1990). Programming via pascal (2nd ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoRohl, J S. Programming via Pascal. 2nd ed. Cambridge: Cambridge University Press, 1990.
Dyfyniad MLARohl, J S. Programming via Pascal. 2nd ed. Cambridge University Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.