Cita APA (7a ed.)

Ennals, R. (1995). Executive guide to preventing information technology disasters. Springer-Verlag.

Cita Chicago Style (17a ed.)

Ennals, Richard. Executive Guide to Preventing Information Technology Disasters. Berlin [etc.]: Springer-Verlag, 1995.

Cita MLA (9a ed.)

Ennals, Richard. Executive Guide to Preventing Information Technology Disasters. Springer-Verlag, 1995.