edited by Nathan Rosenberg
Penguin Books, 1971
Buku Teks
Tidd, Joseph
John Wiley & Sons, 2013
Buku Teks
Rosenberg, Nathan
Cambridge University Press, 1976
Buku Teks
Elias G. Carayannis, Urmas Varblane, Tonu Roolaht, editors
[Springer, ], 2012
eBooks
Antonelli, Cristiano
Kluwer Academic Publisher, 1995
Buku Teks