@book{75419,
	author = {Beyer, Robert. and Trawicki, Donald J.},
	title = {Contabilidad de eficiencia para planeamiento y control},
	publisher = {Ediciones Contabilidad Moderna},
	year = {c1971.},
	address = {Buenos Aires},
	note = {Translation of: Profitability accounting for planning and control.}
}