Masel, Richard I., author
John Wiley & Sons, 2001
Buku Teks
editors, P. Ruiz and B. Delmon
Elsevier , 1992
Buku Teks
Espenson, James H., author
McGraw-Hill, 1995
Buku Teks
Houston, Paul L, author
McGraw-Hill , 2001
Buku Teks
Entelis, S.G., author
John Wiley & Sons, 1976
Buku Teks