Culey, Ray T., author
South-Western Publishing, 1953
Buku Teks
Arens, Alvin A., author
Englewood Cliffs, N.J., Prentice-Hall of Southeast Asia
Buku Teks
Binne, Andrew
Pitman, 1951
Buku Teks
Johny Setyawan, author
BPFE, 1988
Buku Teks
Taylor, Donald H., author
John Wiley & Sons, 1982
Buku Teks