edited by Allan Patience
Longman Chesire, 1985
Buku Teks
Clutterbuck, David, 1947-
Kogan Page, 1994
Buku Teks
Fathuddin Ja`far
Spiritual, 2007
Buku Teks
Ismail Noor
Thinker's Library , 2004
Buku Teks
Menezes, Bridget
Image Printers Pte Ltd, Singapore, 2004
Buku Teks