Hyde, William A.
The National Underwriter , 1969
Buku Teks
Mowbray, Albert H.
McGraw-Hill, 1955
Buku Teks
A. Hasymi Ali, author
Bumi Aksara, 1993
Buku Teks
A. Hasymi Ali, author
Bumi Aksara, 1993
Buku Teks
A. Hasymi Ali, author
Balai Aksara, 1981
Buku Teks