Winfrey, Michael R.
Prentice-Hall, 1997
Buku Teks
Wortman, Winfrey Rott
Prentice-Hall, 1997
Buku Teks
Keeton, William T., author
W.W. Norton, 1970
Buku Teks
Enger, Eldon D., author
McGraw-Hill, 2009
Buku Teks
Enger, Eldon D., author
McGraw-Hill, Higher Education, 2009
Buku Teks