Sproull, Robert L., author
John Wiley & Sons, 1963
Buku Teks
Eisenberg, Judah M., author
North-Holland , 1988
Buku Teks
Sproull, Robert L., author
John Wiley & Sons, 1980
Buku Teks
Bogdan Povh, Klaus Rith, Christoph Scholz, Frank Zetsche, Werner Rodejohann
Springer-Verlag, 2015
eBooks
Eisenberg, Judah M., author
North-Holland, 1976
Buku Teks