APA
(2007). Diamond 2008 vol. 30. Shogokukan square, Tokyo: .
Chicago
2007. Diamond 2008 vol. 30. Shogokukan square, Tokyo: .
Harvard
(2007). Diamond 2008 vol. 30. Shogokukan square, Tokyo: .
MLA
Diamond 2008 vol. 30. Shogokukan square, Tokyo: . 2007.