Norton, George W., author
McGraw-Hill, 1993
Buku Teks
Mellor, John W., author
Cornell University Press, 1966
Buku Teks
Cramer, Gail L., author
John Wiley & Sons, 1979
Buku Teks
Muhammad Ashraf, editor
[, Springer], 2012
eBooks
Heady, Earl O., author
Iowa State University Press, 1969
Buku Teks