Cita APA

H.M.deitel. (1990). An introduction to operating systems (Ed.2.). Addison wesley longman.

Chicago Edition Citation

H.M.deitel. An Introduction to Operating Systems. Ed.2. Delhi: Addison wesley longman, 1990.

Cita MLA

H.M.deitel. An Introduction to Operating Systems. Ed.2. Addison wesley longman, 1990.