Παραπομπή APA

Hansen, P. B. (1980). Operating systems principles. Prentice hall of India.

Παραπομπή Chicago Style

Hansen, Per. Brinch. Operating Systems Principles. New delhi: Prentice hall of India, 1980.

Παραπομπή MLA

Hansen, Per. Brinch. Operating Systems Principles. Prentice hall of India, 1980.