@book{2109,
	author = {Emery, James C.},
	title = {Sistemas de planeamiento y control en la empresa : },
	publisher = {El Ateneo, },
	year = {1980.},
	series = {Biblioteca de Ciencias Económicas.},
	address = {Buenos Aires : },
	edition = {4ta.ed.},
	note = {Bibliografía: p.187-192.}
}