Conrad, Eric, author
Syngress, 2014
eBooks
MacEoin, Gary, author
P.J. Kenedy & Sons, 1963
Buku Teks
edited and translated by Yossef Rapoport and Emilie Savage-Smith
Brill, 2014
eBooks
Churchill, Winston, Sir, 1874-1965, author
Houghton Miffiln, 1949
Buku Teks
Robbins, Stephen P., author
Pearson Education International, 2005
Buku Teks