Oi, M. (1960). Step by step in sumi painting. Chiyoda Publishing.
Chicago-čujuhus (17. p.)Oi, Motoi. Step by Step in Sumi Painting. Tokyo: Chiyoda Publishing, 1960.
MLA-čujuhus (9. p.)Oi, Motoi. Step by Step in Sumi Painting. Chiyoda Publishing, 1960.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.