Mann, Prem S, author
John Wiley & Sons, 1995
Buku Teks
Yamane, Taro, author
Harper & Row , 1973
Buku Teks
Weiss, Neil
Addison-Wesley Pub. Co., 1982
Buku Teks
Godfrey, M.G., author
Edward Arnold , 1986
Buku Teks
Rickmers, Albert D., author
McGraw-Hill, 1967
Buku Teks