Masatsugu, Mitsuyuki
Amacom, 1982
Buku Teks
edited by John O. Haley
Kendall / Hunt, 1988
Buku Teks
edited by David A. Preston
John Wiley & Sons, 1980
Buku Teks
Iowa State University Press , 1964
Buku Teks
Kolb, John H.
Houghton Mifflin , 1952
Buku Teks