CCH Australia Limited, 1991
Buku Teks
Hussey, David E., author
Pergamon Press, 1976
Buku Teks
Komaruddin Sastradipoera, author
Kappa-Sigma Publishers, 2000
Buku Teks
Sharplin, Arthur, author
McGraw-Hill, 1985
Buku Teks
Japan External Trade Organization : [sold by Press International], 1975
Buku Teks