Lippi, Francesco
Edward Elgar, 1999
Buku Teks
Ali Wardhana
[publisher not identified], [date of publication not identified]
Buku Teks
Safari Kasiyanto
University of Indonesia, Faculty of Law, 2017
Artikel Jurnal
Central Bank of Nigeria, 1983
Buku Teks SO
Giblin, L.F.
University Press, 1951
Buku Teks