@book{4037,
	author = {Carkhuff, Robert R.},
	title = {The art of helping in the 21st century /},
	publisher = {Human Resource Development Press,},
	year = {c2000.},
	address = {Amherst, Mass. :},
	edition = {8th ed.},
	note = {Rev. ed. of: The art of helping. c1993.}
}