Gaya APA
Seri ide cemerlang 4. (2004).
Bandung:
Grafindo media pratama.
Gaya Chicago
Seri ide cemerlang 4.
.
Bandung:
Grafindo media pratama,
2004.
.
Gaya MLA
Seri ide cemerlang 4.
.
Bandung:
Grafindo media pratama,
2004.
.
Gaya Turabian
Seri ide cemerlang 4.
Bandung:
Grafindo media pratama,
2004.
.