Kau, James B., author
McGraw-Hill, 1985
Buku Teks
Shilling, James D., author
South-Western, 2002
Buku Teks
Hong, Yusheng, author
Zhengzhong Shuju, 1991
Buku Teks
Shenkel, William M., author
McGraw-Hill , 1978
Buku Teks
Arnold, Alvin L., author
John Wiley & Sons, 1993
Buku Referensi