Cooper, Joseph D., author
Doubleday, 1961
Buku Teks
Cooper, Joseph D., author
Doubleday, 1961
Buku Teks
Mathur, Kamlesh, author
Prentice-Hall, 1994
Buku Teks
Stone, Deborah., author
W.W. Norton & Co. , 2002
Buku Teks
Drummond, Helga, author
John Wiley & Sons, 2001
Buku Teks