Gaya APA
Erickson, Fritz J., Vonk, John A.. (1995).
Effective internet .
Chicago:
Irwin.
Gaya Chicago
Erickson, Fritz J., Vonk, John A..
Effective internet.
Chicago:
Irwin,
1995.
Text.
Gaya MLA
Erickson, Fritz J., Vonk, John A..
Effective internet.
Chicago:
Irwin,
1995.
Text.
Gaya Turabian
Erickson, Fritz J., Vonk, John A..
Effective internet.
Chicago:
Irwin,
1995.
Print.