APA استشهاد

Rolph, P. (1992). How to choose and use an executive informaion system. Viva.

استشهاد بنمط شيكاغو

Rolph, Paul. How to Choose and Use an Executive Informaion System. New Delhi: Viva, 1992.

MLA استشهاد

Rolph, Paul. How to Choose and Use an Executive Informaion System. Viva, 1992.