Engel, Thomas
Pearson Prentice Hall, 2008
Buku Teks
Barrante, James R.
Prentice-Hall, 1977
Buku Teks
Williams, Virginia R.
W.H. Freeman, 1967
Buku Teks
Sutton, Raul
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Barrow, Gordon M.
McGraw-Hill, 1988
Buku Teks