Cita APA (7a ed.)

DEITEL H.M. (1990). OPERATING SYSTEM. ADDITION WESLEY.

Cita Chicago Style (17a ed.)

DEITEL H.M. OPERATING SYSTEM. NEW YORK: ADDITION WESLEY, 1990.

Cita MLA (9a ed.)

DEITEL H.M. OPERATING SYSTEM. ADDITION WESLEY, 1990.