APA استشهاد

Neuhold, E., & Paul, M. (1991). Formal discription of programming concepts. Springer -Verlag.

استشهاد بنمط شيكاغو

Neuhold, E.J, و M. Paul. Formal Discription of Programming Concepts. Berlin: Springer -Verlag, 1991.

MLA استشهاد

Neuhold, E.J, و M. Paul. Formal Discription of Programming Concepts. Springer -Verlag, 1991.