APA استشهاد

Rolph, P. (1992). How to Choose & Use an Execuitive Information System. Viva.

استشهاد بنمط شيكاغو

Rolph, Paul. How to Choose & Use an Execuitive Information System. New Delhi: Viva, 1992.

MLA استشهاد

Rolph, Paul. How to Choose & Use an Execuitive Information System. Viva, 1992.