edited by Malcolm P. McNair and Mira Berman
American Management Association, 1967
Buku Teks
Mahoney, Tom
Harper & Row, 1966
Buku Teks
Clark, Fred E.
Macmillan, 1933
Buku Teks
Muto, Kazuo
Japan FAO Association , 1987
Buku Teks
Bowring, James R.
Prentice-Hall, 1960
Buku Teks