Gaya APA
Purnomo, A. (2006).
Information and communication technologi (ICT) : for senior high school 2 (Edisi 1).
Yogyakartaa:
Yudhistira.
Gaya MLA
Purnomo, Andi.
"Information and communication technologi (ICT) : for senior high school 2".
Edisi 1
Yogyakartaa:
Yudhistira,
2006.
Text.