Ikeda, D., & Inoue, Y. (1980). Letters of four seasons. Kodansha.
Chicagoスタイル(17版)引用形式Ikeda, Daisaku, , Yasushi Inoue. Letters of Four Seasons. Tokio: Kodansha, 1980.
MLA(9版)引用形式Ikeda, Daisaku, , Yasushi Inoue. Letters of Four Seasons. Kodansha, 1980.
警告: この引用は必ずしも正確ではありません.