Gaya APA
Duddell, S., L., D. (2019).
Computer Science for Cambridge International AS & A Level Coursebook (ed. 2).
United Kingdom:
Cambridge University Press.
Gaya MLA
Duddell, S., L., D..
Computer Science for Cambridge International AS & A Level Coursebook.
ed. 2
United Kingdom:
Cambridge University Press,
2019.
Text.