Lasser, J.K. (Jacob Kay)
McGraw-Hill, 1955
Buku Teks
Clarke, Philip
David & Charles, 1973
Buku Teks
Japan Small Business Research Institute , 1995
Buku Teks
by Curtis E. Tate Jr. ... [and others]
Business Publication, 1982
Buku Teks
Hodgetts, Richard M.
John Wiley & Sons, 2002
Buku Teks