Culture Shock! Japan, by Rex Shelley. Graphic Arts Center Publishing Company, Portland, OR. USA 1993
Business Guide to Japan, by Boye De Mente, Charles E. Tuttle Company, Inc. Tokyo, Japan 1989
Etiquette Guide to Japan, by Boye De Mente, Charles E. Tuttle Company, Inc. Tokyo, Japan 1990
Doing Business with Japanese Men - A Woman's Handbook, Christalyn Brannen & Tracey Wilen, STONE BRIDGE PRESS, Berkeley, CA. USA 1993
Shikitari - Unfolding Japanese Traditions,
Masako Yanagida & Shoko Hanada, Apricot, Tokyo, Japan 1996