@book{2218,
	author = {CHRISTENSEN, C. R. and BERG, N. A. & SALTER, M. S.},
	title = {Policy Formulation and Administration: A Casebook of management problems in business},
	publisher = {Richard D, Irwin, },
	year = {1980.},
	address = {New York,},
	edition = {8th Ed.}
}