edited by Peter Clarke
Routledge, 1988
Buku Teks
Jabatan Mufti Kerajaan, Jabatan Perdana Menteri, Negara Brunei Darussalam, 2013
Buku Teks
Gorki, Maxim, author
T. Werner Laurie, [Date of publication not identified]
Buku Teks
Gedes & Grosset, 2001
Buku Referensi
Johnson, George B., author
McGraw-Hill, Higher Education, 2008
Buku Teks