MacGregor, James G., author
Prentice-Hall, 2005
Buku Teks
Wight, James K., author
Prentice-Hall, 2009
Buku Teks
Nilson, Arthur H., author
McGraw-Hill, 1986
Buku Teks
Cowan, Henry J., author
Prentice-Hall, 1982
Buku Teks
Forsyth, Benjamin, author
McGraw-Hill, 1971
Buku Teks