広瀬香美20周年でシングル集&Xmasカバー盤同時発売 [Kohmi Hirose 20th anniversary single collection & Xmas cover edition released at the same time]. Natalie (in Japanese). Shibuya, Tokyo: Natasha Inc. November 14, 2011. Archived from the original on January 10, 2022.
広瀬香美20周年でシングル集&Xmasカバー盤同時発売 [Kohmi Hirose 20th anniversary single collection & Xmas cover edition released at the same time]. Natalie (in Japanese). Shibuya, Tokyo: Natasha Inc. November 14, 2011. Archived from the original on January 10, 2022.