@book{128999,
	author = {Bennett, John G. and Blake, A.G.E.},
	title = {Enneagram studies /},
	publisher = {Samuel Weiser, inc.},
	year = {2007.},
	address = {Maine. :},
	note = {Revised and expanded edition of The enneagram. England : Coombe Springs Press, 1974.}
}