Morton, A.L., author
Victor Gollancz, 1938
Buku Teks
edited by Felipe Fernandez-Armesto
Times Books, 1994
Buku Referensi
Fakultas Teknik Universitas Indonesia, 1997
UI - Tugas Akhir
Arie Afriansyah, author
University of Indonesia, Faculty of Law, 2011
Artikel Jurnal
Maddala, G.S., author
Cambridge University Press, 1983
Buku Teks