APA استشهاد

Deitel, H. M. (1990). Introduction to operating systems .-2nd ed (2.). Addison-Wesley Pub. Co..

استشهاد بنمط شيكاغو

Deitel, Harvey M. Introduction to Operating Systems .-2nd Ed. 2. Reading, Mass.: Addison-Wesley Pub. Co., 1990.

MLA استشهاد

Deitel, Harvey M. Introduction to Operating Systems .-2nd Ed. 2. Addison-Wesley Pub. Co., 1990.