@book{181848,
	author = {Aponte-Pedraza, Justa D. and Collazo, Agustín. and National Business Institute.},
	title = {Labor relations in Puerto Rico union and non-union organizations},
	publisher = {NBI, Inc.},
	year = {1999.},
	address = {Eau Claire, WI},
	note = {"06Q2607" - - cover and t.p.}
}