@book{12000,
	author = {Pratt, Shannon P.},
	title = {Valuing a business : the analysis and appraisal of closely held companies / Shannon P. Pratt, Robert F. Reilly, Robert P. Schweihs. - 4th ed.},
	address = {New York: McGraw-Hill, c2000.},
	edition = {4e}
}