Gw mau tau Nota dari Nippon Yusen. Jelasin dalam bahasa melayu

Kizu, Shigetoshi. (1984).  A 100 Years' History of the Ships of Nippon Yusen Kaisha. Tokyo: NYK. 10-ISBN 4-905551-20-X; 13-ISBN 978-4-905551-20-1;  OCLC 16781302

Ponsonby-Fane, Richard Arthur Brabazon. (1935).  The Nomeclature of the N.Y.K. Fleet. Tokyo: NYK.  OCLC 27933596