Gaya APA
Akihiko, T., Hoff, J, C. (2002).
The New moddle Ages : the world system in the 21 st century .
Tokyo:
Minato-ku.
Gaya MLA
Akihiko, Tanaka., Hoff, Jean, Connell.
"The New moddle Ages : the world system in the 21 st century".
Tokyo:
Minato-ku,
2002.
Text.