APA استشهاد

Rohl, J. S. (1990). Programming via pascal (2nd ed.). Cambridge University Press.

استشهاد بنمط شيكاغو

Rohl, J S. Programming via Pascal. 2nd ed. Cambridge: Cambridge University Press, 1990.

MLA استشهاد

Rohl, J S. Programming via Pascal. 2nd ed. Cambridge University Press, 1990.