Gaya APA
Kawashima, Ryuta. (2005).
Train Your Brain (Kumon).
America:
Kumon.
Gaya Chicago
Kawashima, Ryuta.
Train Your Brain.
Kumon
America:
Kumon,
2005.
Text.
Gaya MLA
Kawashima, Ryuta.
Train Your Brain.
Kumon
America:
Kumon,
2005.
Text.
Gaya Turabian
Kawashima, Ryuta.
Train Your Brain.
Kumon
America:
Kumon,
2005.
Print.