Oi, M. (1960). Step by step in sumi painting. Chiyoda Publishing.
Dyfyniad Arddull ChicagoOi, Motoi. Step by Step in Sumi Painting. Tokyo: Chiyoda Publishing, 1960.
Dyfyniad MLAOi, Motoi. Step by Step in Sumi Painting. Chiyoda Publishing, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.