Devijver, Pierre A., author
Prentice-Hall International, 1982
Buku Teks
Shell, M. Scott Michael Scott, 1978-
Cambridge University Press, 2015
Buku Teks
Honerkamp, Josef, author
Springer, 2012
eBooks
Reif, F. (Frederick), 1927-, author
McGraw-Hill, 1965
Buku Teks
Johnston, R.J. (Ronald John), author
Longman, 1978
Buku Teks