Randall, Robert H.
London: Addison Wesley, 1951
Buku Teks
Temkin, Samuel
John Wiley & Sons, 1981
Buku Teks
Egan, M. David
McGraw-Hill, 1988
Buku Teks SO
Cowan, James P.
Van Nostrand Reinhold, 1994
Buku Teks
Caruthers, Jerald W.
Elsevier, 1977
Buku Teks