Dyfyniad APA

Deitel, H. M. (1990). An introduction to operating systems (2nd ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Deitel, Harvey M. An Introduction to Operating Systems. 2nd ed. Reading, Mass: Addison-Wesley, 1990.

Dyfyniad MLA

Deitel, Harvey M. An Introduction to Operating Systems. 2nd ed. Addison-Wesley, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.