@book{93571,
	author = {Ernst, Carl W.,},
	title = {The Shambhala guide to Sufism /},
	publisher = {Shambhala,},
	year = {1997.},
	address = {Boston, Mass. :},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0664/97010189-b.html}
}