Coffey, Alan R., author
Prentice-Hall, 1990
Buku Teks
Hall, Livingston, author
West Publishing, 1958
Buku Teks
Germann, A.C., author
C.C. Thomas, 1971
Buku Teks
Dudeja, V.D., author
Commonwealth, 2002
Buku Teks
Kataoka, Tetsuya
Westview Press, 1989
Buku Teks