Sautoy, Peter Du, author
Oxford University Press, 1960
Buku Teks
Rhonda Phillips, Robert H. Pittman, editor
Routledge, 2009
Buku Teks
Artikel Jurnal
Angeline Parahita, author
Fakultas Hukum Universitas Indonesia, 2012
UI - Tesis (Open)
Apgar, Mahlon, author
McGraw-Hill, 1976
Buku Teks