Gaya APA
Concept and competition 2006 02. (2006).
Seoul:
CA Press.
Gaya Chicago
Concept and competition 2006 02.
.
Seoul:
CA Press,
2006.
Text.
Gaya MLA
Concept and competition 2006 02.
.
Seoul:
CA Press,
2006.
Text.
Gaya Turabian
Concept and competition 2006 02.
Seoul:
CA Press,
2006.
Print.