Brady, Robert N.
On-higway trucks/Robert N Brady
Reston Publishing Company, 1982
 Buku Teks SO
Plaskitt, Harold
Government of Britain
University Tujorial Press, 1950
 Buku Teks
Ulima Umavashti
Faktor-faktor pendorong pembentukan The 2004 Regulations oleh Pemerintahan New Labour tahun 2004 di Inggris = Determining factors of the forming of The 2004 Regulations by the New Labour Government in 2004 in Britain
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
 UI - Tugas Akhir
The population crisis: implications and plans for action
edited by Larry K.Y. Ng and Stuart Mudd
Indiana University Press, 1966
 Buku Teks SO
Moodie, Graeme C.
The Government of Great Britain
Crowell, 1971
 Buku Teks SO