Gaya APA
Greenlaw, R., Hepp, E. (2002).
In-line /on-line : Internet and the world wide web (Ed.2).
Boston:
McGraw Hill.
Gaya MLA
Greenlaw, Raymond., Hepp, Ellen.
"In-line /on-line : Internet and the world wide web".
Ed.2
Boston:
McGraw Hill,
2002.
Text.