Coba jelasin Kutipan dari Kawanishi N1K dong

Francillon, PhD., René J. Kawanishi Kyofu, Shiden and Shiden Kai Variants (Aircraft in Profile 213). Windsor, Berkshire, UK: Profile Publications Ltd., 1971.

Francillon, PhD., René J. Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd., 1970. second edition 1979. .