Marsh, William M., author
Cambridge University Press, 2013
Buku Teks
Strahler, Alan H., author
John Wiley & Sons, 1997
Buku Teks
Aston, Richard, author
Macmillan, 1990
Buku Teks
Nakra, B.C.
Tata McGraw-Hill , 1994
Buku Teks
Alciatore, David G., author
McGraw-Hill , 2003
Buku Teks