UK (United Kingdom) political parties since 1945
edited by Anthony Seldon
Philip Allan, 1990
 Buku Teks
Plumb, John Harold, 1911-
England in the eighteenth century : a study of the development of english society
Penguin Books , 1951
 Buku Teks SO
Davenport, Neil
The United kingdom patent system : a brief history with bibliography
Kenneth Mason, 1979
 Buku Teks SO
Mahon, Basil
Oliver heaviside: maverick mastermind of electricity
Institute of South East Asia Studies, 2009
 eBooks
Aghnia Nur An Nisa
Optimalisasi Pengembangan Sistem Tenaga Listrik Ereke = Optimization of The Ereke Electricity System Development
Fakultas Teknik Universitas Indonesia, 2021
 UI - Tesis Membership