Cambridge University Press , Cambridge : Cambridge University Press
Majalah, Jurnal, Buletin
London : Historical Association
Majalah, Jurnal, Buletin
The University of Chicago Press,
Majalah, Jurnal, Buletin
Trevor-Roper, H.R.
New York Harper & Row 1957
Buku Teks
Tilburg : Drukkerij Henri Bergmans N.V
Majalah, Jurnal, Buletin