APA استشهاد

(1975). Computing and computers: Correspondence texts for Units 8 & 9 PM951 8&9. Open University Press.

استشهاد بنمط شيكاغو

Computing and Computers: Correspondence Texts for Units 8 & 9 PM951 8&9. England: Open University Press, 1975.

MLA استشهاد

Computing and Computers: Correspondence Texts for Units 8 & 9 PM951 8&9. Open University Press, 1975.