Trevor-Roper, H.R.
New York Harper & Row 1957
Buku Teks
Philadelphia : Current History Inc.
Majalah, Jurnal, Buletin
Sage Publications,
Majalah, Jurnal, Buletin
Labour History, Economic History. Depart, The Univ.of Sydney
Majalah, Jurnal, Buletin
Cambridge University Press , Cambridge : Cambridge University Press
Majalah, Jurnal, Buletin