Gaya APA
Hansen, Per Brinch. (1973).
Operating System Principles .
USA:
Prentice Hall.
Gaya Chicago
Hansen, Per Brinch.
Operating System Principles.
USA:
Prentice Hall,
1973.
.
Gaya MLA
Hansen, Per Brinch.
Operating System Principles.
USA:
Prentice Hall,
1973.
.
Gaya Turabian
Hansen, Per Brinch.
Operating System Principles.
USA:
Prentice Hall,
1973.
.