APA-referens

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

Chicago-stil citat

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

MLA-referens

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