Okamoto, N. (1995). Japanese ink painting: The art of sumi-e. Sterling Pub. Co..
Lua i Stíl Chicago (17ú heag.)Okamoto, Naomi. Japanese Ink Painting: The Art of Sumi-e. New York: Sterling Pub. Co., 1995.
Lua MLA (9ú heag.)Okamoto, Naomi. Japanese Ink Painting: The Art of Sumi-e. Sterling Pub. Co., 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.