Gaya APA
Beekman,George, ., Beekman,Ben, . (2012).
Digital Planet; Tomorrow`s Technology And You (Tenth Edition).
Boston:
Pearson.
Gaya MLA
Beekman,George, ., Beekman,Ben, .
"Digital Planet; Tomorrow`s Technology And You".
Tenth Edition
Boston:
Pearson,
2012.
Textbook.