Beneficial Management Institute, [Date of publication not identified]
Buku Teks
Newman, William H., author
Prentice-Hall of Japan, 1963
Buku Teks
selected and edited by Ermest B. Harper and Arthur Dunham
Association Press, 1966
Buku Teks
edited by Ernest B. Harper and Arthur Dunham
Associate Press, 1963
Buku Teks
Hatch, Mary Jo
Oxford University Press, 1997
Buku Teks