Devijver, Pierre A., author
Prentice-Hall International, 1982
Buku Teks
Mclachlan, Geoffrey J., author
John Wiley & Sons, 1992
Buku Teks
Parsons, Robert, author
Harper & Row, 1974
Buku Teks
Shell, M. Scott Michael Scott, 1978-
Cambridge University Press, 2015
Buku Teks
Honerkamp, Josef, author
Springer, 2012
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