Gaya APA
Walsh, John. (1998).
Standard grade computing studies .
London:
Hodder and Stoughton.
Gaya Chicago
Walsh, John.
Standard grade computing studies.
London:
Hodder and Stoughton,
1998.
Text.
Gaya MLA
Walsh, John.
Standard grade computing studies.
London:
Hodder and Stoughton,
1998.
Text.
Gaya Turabian
Walsh, John.
Standard grade computing studies.
London:
Hodder and Stoughton,
1998.
Print.