Webb, Herschel
An Introduction to Japan
Colombia University Press, 1957
 Buku Teks SO
McNaughton, Wayne L. (Wayne Leslie), 1902-
Introduction to business enterprise
Wiley, 1970
 Buku Teks
Poe, Jerry B.
An introduction to the American business enterprise
Richard D. Irwin, 1974
 Buku Teks
Poe, Jerry B.
An introduction to the American business enterprise
Richard D. Irwin, 1986
 Buku Teks
Poe, Jerry B.
An introduction to the American business enterprise
Richard D. Irwin, 1972
 Buku Teks